All Blood Tests

The Best Acne Treatments That Get Results

When you start searching for the best acne treatment you have to remember that there are way too many acne cure found in the market. And what’s more important maximum of these will not be able to cure your acne condition. If you are trying to find the best acne cure then remember the question is not how popular the product is or which famous star is endorsing it, neither is it important to know if the product can be easily applied or not. There is only one question that is important and that is, whether it will cure your acne or not.
There are many companies that swear by the name of Proactiv or Accutane as the best acne treatment ever. But I can tell you the truth after researching on acne treatments for more than 10 years, which Proactiv or any other acne treatment; however much it might be endorsed thorough commercials, magazines, news or whatever; that addresses only symptoms of the condition and not the actual internal factor that causes acne can never cure your acne completely or permanently.
Proactiv comprises of a renewing cleanser, a toner that revitalizes the skin and a repairing lotion. In most of the cases it can never cure acne because it is targeted at treating the acne symptoms rather than the underlying root cause of acne.
Accutane is different. It is a conventional medication and is very strong; it works in severe cases of acne. But the results are temporary and the side effects caused by Accutane can be really dangerous and irreparable.
While you are searching for your best acne treatment you can also try natural alternatives as well. For example you can try the essential oils. The best essential oils for acne treatment are: Rosewood oil, Bergamot oil, Tea tree oil, Clove oil, and Lavender oil. You can also go for a diet change or a food allergy test by opting for a pulse test or by going for a blood test. Though natural alternatives as acne treatments are safe as they are devoid of any harmful side-effects, that does not mean though that they would prove more effective.
In short, you have to keep in mind that the best acne treatments are not those that are most popular, or can be easily applied or the costliest or cheapest or even all natural. The best acne treatments are only those that target the root cause of the acne and eliminate the environment that actually leads to acne. It is important for you to understand what should be the best acne treatment so that you don’t end up wasting time and money on acne treatments that don’t work at all or give only a temporary respite.

The Importance of Homocysteine

Homocysteine is an amino acid that is produced in the body. Although this can be a vital substance in the body, increased homocysteine levels is associated with high cholesterol and build up of materials such as white blood cells, calcium and plaque in blood vessels. The increased materials in blood vessels increase the risk of heart attack, stroke, and pulmonary embolism. Therefore, a high homocysteine level is a usual indicator of an increased risk factor of heart complications. High homocysteine can be corrected by applying proper diet and routine homocysteine testing.

Homocysteine is a marker of bad health which makes it critical for an individual to monitor their homocysteine levels. Consistent homocysteine testing is essential to people with a family history of heart diseases. Homocysteine testing is also important for people who have a history of heart diseases without a described cause. With the complication of heart diseases, homocysteine testing is an information gateway reflecting the heart conditions of a patient.

Homocysteine Blood Tests

Keeping a low homocysteine level is done through homocysteine blood tests. The application of homocysteine blood tests does not only indicate the outlook of one’s health and wellness. In addition, a homocysteine blood test is done to help determine the risk of heart disease, stroke and condition of the blood vessels.

Homocysteine levels are also an indication of vitamin B12 deficiency or folic acid deficiency. A high level of homocysteine blood test results usually indicates nutritional deficiency. However, there is also wellness panel test to measure different kinds of nutrition deficiencies.

Homocysteine testing helps identify the occurrence of homocystinuria. This rare disease causes heart complications and delayed growth in babies. A high homocysteine level is a result of enzyme deficiency caused by homocystinuria. It is evident that homocysteine testing has numerous applications aside from measuring the general health and wellness of a person.

Homocysteine Test Information

Preparing for a homocysteine blood test involves a set of guidelines to produce accurate results. For starters, one should not eat or drink anything except water for ten to twelve hours. In addition, there are different drug interactions that can modify the homocysteine test results. Your doctor should know any prescription drugs that you take before taking homocysteine tests. Finally, allow the doctor to interpret the homocysteine test results for you, so that you are left completely satisfied with the meaning of your homocysteine levels.

In medical terms, bone density refers to the amount of matter per cubic centimeter of bones. Bone density is measured by means of a procedure known as densitometry, which is performed over the lumbar spine. It is painless and involves the least amount of exposure to radiation. Most commonly the bone density test is used for the diagnosis of osteoporosis.

Osteoporosis is a bone disease that results in an increase in the risk of fractures. An abnormality in the bone mineral density, disruption in the micro architecture of bones and a deviation in the proportion of non-collagenous proteins in bone, characterize osteoporosis. Advancing age, low bone mass, a sedentary lifestyle, smoking and drinking habits and a family history of osteoporosis form the major risk factors for this bone disease. In order to bring about an early detection of osteoporosis, a bone density test is advisable.

Women, who are in their post menopausal stage and have one additional risk factor for osteoporosis, should get a bone density test done. Women undergoing a hormone replacement therapy or those having a sustaining fracture are also advised to get the bone density test done. Apart from detecting osteoporosis, the bone density test also helps in predicting the risk of broken bones and determines the need for its treatment.

The DEXA scan is believed to be the most accurate bone density test. DEXA is short for dual-energy x-ray absorptiometry and can detect even a 1% change in bone density. The scan takes about ten minutes and exposes the patient to an amount of radiation that is less than that during a chest x-ray. During the test, the person lies in bed under a scanner and a plastic arm that radiates x-rays. The scanner then takes images of the patient’s body and the images are subject to comparison of the patient’s bone strength with the desirable bone density values with respect to the age, lifestyle and risk factors of the patient.

The results of the bone density test are reported in terms of three parameters namely, the Z-score, the T-score and the density measured in grams per cubic centimeter.

A T-score compares the patient’s bone density with the optimal peak bone density for the patient’s gender. It is reported as the number of standard deviations, which are below the average value of the bone densities. A T-score that comes to a value grater than -1 is considered normal. If a patient scores between -1 and -2.5, he/she is diagnosed osteopenia and is considered being at the risk of falling prey to osteoporosis. A T-score of less than a -2.5 is diagnostic of osteoporosis. In short, a T-score is the number of standard deviations above or below the mean for a healthy 30-year-old adult of the same gender as that of the patient.

A Z-score is the number of standard deviations above or below the average for the patient’s age and sex. It is used to compare the results of the patient with others of the patient’s age, weight, ethnicity and gender. A Z-score is used to detect an unusual factor, if any, resulting in the bone loss of the patient. A Z-score of a less than -1.5 is diagnostic of other factors leading to osteoporosis. Thyroid abnormalities, malnutrition, negative side effects of certain medications or the consumption of tobacco are the probable factors leading to the diminishing bone density.

Bone density test is an excellent tool in the diagnosis of osteoporosis and is fairly accurate in predicting the risk of fractures. A bone density test can detect a low bone density but cannot tell the reason behind it. It remains with the patient, with the consultation of a medical practitioner to reflect on his/her lifestyle and assess his/her family history to find out the reason and act upon it.

Who is the father? This question usually surfaces in cases when paternity becomes an issue. Cases of multiple rapes oftentimes require for paternal detection test to pinpoint who the real father of the conceived child is. Generally, DNA test traces the real parental lineage of persons who submit to it. DNA test results answer the questions of the involved parties who want to know the facts regarding familial relationships either for personal consumption or for legal proceedings.

In order to distinguish the similarity of genes between individuals or to simply point out who is responsible in a lieu of criminal evidence, the techniques of Genetic Fingerprinting, DNA Testing, and DNA profiling are employed. What is used is only a sample of the DNA and utilizing any of these techniques, results are hence gathered.

In terms of detecting parentage, DNA testing is much utilized. As a general rule, if individuals are consanguineously related, they will have a common DNA sequence pattern. So it is understood that two unrelated persons will have a different DNA sequence pattern. DNA testing may be availed for several reasons. Most likely though, DNA testing is applied to rape cases, doubts in parental lineage, and some other criminal evidences called for by the jurisdiction of the law.

The engagement to a DNA testing as required by some legal proceedings are ordinarily taken cared of by DNA testing laboratories within the confines of the law’s jurisdiction. However, the submission to such DNA test needs not to be always done in DNA testing laboratories especially if the concerned individuals are not committed into some sort of legal actions.

Instead, they can be performed at home. Home DNA test will always make use of DNA testing kits. This home DNA test paternity specimen collection kit automatically facilitates the initiation of the paternity testing process. This home DNA self-test with the use of the DNA specimen collection kits will hence be brought to the expert individuals who in turn will interpret the findings.

DNA testing laboratories which now offer the collection of DNA specimens at home assure that the laboratory works that they perform on the samples taken by home DNA test specimen collection kits will reap the same results as those normally done in laboratories with the samples from buccal swabs, blood, saliva, and the likes. Likewise, the accuracy of the home DNA test specimen samples is the same as that taken from professional specimen collection sites.

It is necessary that the persons involve in the paternity issues making use of the home DNA test sampling are basically aware of the legal limitations and are confident with regards to the integrity of such sample collection and the submission process as well.

What is the difference of a home DNA test to that of the DNA testing results to be used in the court of law?

As ordered by the court of law, paternity testing in its legal concept is applied with the term “chain of custody”. In this regard, everything that concerns the whereabouts of the specimen is documented. It is so because the specimen will be submitted as evidence to the court of law. This applies only to those issues taken into legal proceedings.

In contrast to this, the home DNA test specimen collection will hinder the use of such as evidence in the court of law. Much more to say that, the home DNA test is private and will only be for the benefit and consumption of the DNA test concerned individuals.

Stacy Klein is a freelance writer who enjoys living and writing about maintaining a healthy lifestyle! View DNA Test for more tips and ideas on your improving you or your child’s DNA position!

Legitimate DNA paternity testing establishes legal proof-of-paternity/non-paternity for a variety of legal applications, including child support and custody cases. The process, though subject to stringent collection standards, is still painless, and relatively simple for all participants.

As an independent party to the case, the appointed collector ensures that each participant is properly identified, officially witnessing the collection of each sample. This individual is responsible for mailing samples directly to the lab—eliminating the possibility of any tampering or contamination by participating parties.

There are only a select group of labs accredited by both the AABB and ISO standards bodies, the organizations responsible for monitoring the legal DNA testing process. The collection process and materials used are subject to strict AABB/ISO guidelines.

Collecting the Proof

The best labs provides the collector with a complete legal DNA collection kit, which includes the following forms and collection materials for each participant:

*Chain-of-custody forms

*Pre-addressed air bill

*Swabs/Envelopes

*Instructions

*Plastic bio-hazard bag

Acceptable identification and documentation includes items such as government-issued photo identification and birth certificates.

The official process is completed in three easy steps:

1) The collector reviews all identification and documentation, and—along with all participants—signs and dates photocopies of each. (Acceptable identification and documentation includes such items as government-issued photo IDs and birth certificates.)

2) Each participant signs (where possible) and dates the completed chain-of-custody form, which the collector certifies with their signature.

3) Sample collection is completed in the collector’s presence, after which test swabs are sealed in their respective envelopes, and—together with the completed documentation—submitted to the lab for testing.

It’s that simple.

Client Services representatives should be available to provide assistance with this—or any other—testing process. The goal is to make the entire experience as smooth and painless as possible.

How Does Testing Work?

A reputable genetics laboratory analyzes markers according to the FBI-developed Combined DNA Index System (CODIS) for a genetic print; this focus on 13 important genetic signposts is the most reliable paternity test method commercially available.

In addition, some laboratories employ a unique dual-sample testing process that, concurrently examines multiple instances of genetic specimens in-parallel. This method yields extremely high levels of accuracy, with inclusion probabilities regularly exceeding 99.99%.

ABO Blood Type Calculator

ABO blood type calculator can be used to predict possibilities of paternity. The calculator is used to determine either:

1. The ABO blood type of the child when the blood type of the mother and the father are known, or

2. The ABO blood type of the father if the blood type of the mother and the child are known.

ABO blood types can be complicated to understand. This is mostly due to the fact that the ‘O-type’ antigen is masked by the presence of an A- or B-type antigen.

Time Frame

Home paternity test results are released as early as 3 business days following receipt of viable specimens. Upon test completion, data reporting specialists prepare detailed genetics analyses that can be accessed immediately.

Cutting Edge Technology

Genetic research recently has distinguished itself with an unparalleled combination of rigid scientific discipline and technical excellence. Laboratories with their pool of Ph.D. and M.S. scientists are dedicated to the tireless spirit of innovation. There has been a perpetual drive to innovate and improve the speed, accuracy and comprehensiveness of DNA testing

To estimate of your blood alcohol concentration (BAC) a breath alcohol test is given. The breath alcohol test measures the amount of alcohol in the air that you breathe out or exhale. There is a simple hand held device that allows you to measure your own breath alcohol level. If the device is calibrated correctly and used according to the manufacturer’s directions, it will give you an accurate estimate of your blood alcohol level. This personal device is similar to, although not as precise as, the type of test given by police for suspected drunk drivers.

Your blood alcohol concentration starts to rise within minutes of drinking alcohol. Alcohol is absorbed directly through the walls of the stomach and then travels into the bloodstream, and moves throughout your body to your brain. This quick absorption allows blood alcohol levels to increase rapidly.

Food in your stomach may increase the amount of time it takes for the blood alcohol to reach its highest level however typically the amount of alcohol in your blood reaches its highest level about 60 minutes after drinking. Most of the alcohol is broken down in the liver while the rest is passed out of your body through urine and exhaled breath. You can purchase breath alcohol devices to measure your breath alcohol concentration at many pharmacies or through the Internet.

The manual device is a glass tube (or a balloon and a glass tube) containing crystals that change color when exposed to alcohol from your breath. This device is simpler and less expensive than electronic meters.

The electronic meter is a glass mouthpiece attached to a meter that shows your blood alcohol concentration (BAC) percentage in a digital display window. This type of meter is more expensive than the manual type.

You might find that many bars and restaurants will provide their customers with free alcohol breath tests using one of these two methods. The devices are also commonly used by alcohol rehabilitation center or hospitals to monitor patients.

The breath alcohol self-test is only to estimate your blood alcohol concentration (BAC), not as a representation of your actual driving abilities. However, the results can help you determine whether it is safe to drive. Keep in mind that your driving may be impaired even with a low BAC level, such as below 0.05.

The breath alcohol test offers one piece of information to help you make a safe decision about drinking and driving. The safest decision is always not to drive if you have been drinking.

Blood alcohol concentration (BAC) is commonly used by police and other legal authorities to determine whether a person is legally impaired and should not drive. A blood alcohol concentration in the range of 0.05 to 0.10 is considered legally impaired throughout most of the United States. However, legal BAC levels vary from state to state.

Driving under the influence of alcohol (DUI) can be deadly. Alcohol is involved in nearly half of all fatal highway accidents. Even mild intoxication can impair your ability to drive safely. At 0.06 BAC, your judgment and physical coordination are impaired. At a BAC of 0.08, your muscle coordination and driving ability are significantly impaired.

Having a calculable amount of alcohol in the blood can mean that judgment and reflexes are compromised. You can buy breath alcohol tests through the Internet, either directly from the manufacturer or from a company promoting these types of products. To find this type of device on the internet, simply search using the type of test or with the name of the manufacturer.

People with STDs may have symptoms that can be seen, but many people do not exhibit any symptom at all, and it can take months or even years for them to come face to face with this unpleasant truth. If one is sexually active, it is vitally important to practice safer sex each and every time one is intimate. Going for STD testing when you decide to become intimate with someone new is also imperative to staying sexually healthy.

Testing for sexually transmitted infections is available in the Health Center as well as the Women’s Center. The term currently considered most correct to refer to these infections is STI’s, however the most common usage continues to be STD’s, or sexually transmitted diseases.

An STD test is a medical test for the presence of Sexually Transmitted Diseases (STD). I would like to stress on one very important fact at the very beginning, which is that no STD test is 100% accurate. Some STDs do not appear right away. The infection can take anywhere between a couple of days and a few years to show up.

It is also important to know that not all doctors perform the same tests for STD and hence it becomes vital to know what to ask for and the limitations of STD testing.

Gonorrhea and chlamydia screening is done either through a urine test or through a swab inside the penis of the men or from the cervix of a women. The swab test requires collection using a special small q-tip. Women must have a pelvic exam with a q-tip used to collect mucus from the cervix. This exam is occasionally uncomfortable. Specimens are collected from men by inserting the q-tip up inside the urethra, which is the opening where urine comes out. This is usually painful for men, but takes just a few seconds. Tests for syphilis is performed via a blood test or a swab from the genital pores. People in the late stages of syphilis infection need to have the Cerebrospinal Fluid Test performed. For this test, a sample of your spinal fluid will be collected and assessed to determine the extent of your infection. Washing the infected area with prescription shampoos treats Crabs. Tests for HIV and AIDS are performed by blood test, which is also known as the ELISA test. If the results of this test is positive, then a second test called the Western Blot is performed which will confirm if the someone is truly HIV positive. This is done as in some cases; several diseases like syphilis or lupus may cause the ELISA test to return a positive result.

Apart from the tests mentioned above which are performed when you show symptoms of STD or suspect something wrong, it is important to undergo routine tests to rule out the presence of STDs. It is recommended that the women undergo a Pap smear test annually, which is a simple procedure that collects cells from the cervix to test for cancer and pre-cancerous changes. Routine work for men is not recommended unless they have sex with other men. In such cases, the men should undergo tests for HIV, syphilis, gonorrhea and chlamydia annually.

In the case of women, if pregnant, please inform the doctor before hand, as the course of treatment that is to be followed will be different.

Alarming statistics show that ignorance and carelessness are prime reason for STDs, its essential to inform and educate the younger generation that using condoms correctly will reduce the risk of infection. Central role of STD prevention is vital in improving health among women and infants and in promoting HIV prevention.

Here, we can conclude that that while some STDs can be completely treated and cured, other STDs cannot be cured; their symptoms can only be managed. Prevention is better than cure and hence it is imperative to practice safe sex and get your testing done today!

Breakthrough medical tests can find dozens of deadly diseases before it’s too late. But because of the state of modern healthcare (with insurers’ red tape and doctors’ busy schedules), most of us don’t know that these tests are available — let alone which ones to have, what they’re called, or how to ask for them.

That’s all about to change. With this book, you’ll learn how to determine if you’re at risk for life-threatening conditions. Once you gauge your risk levels, Drs. Johnson and Sandmire teach you which tests to request from your doctor and how to make sure you get them. Genetic tests for cancer risk, the latest blood tests for heart disease, and even older tests like ultrasound have one thing in common: They can save your life.

Authors

David Johnson, Ph.D., is an associate professor and chairman in the department of physiology at the College of Osteopathic Medicine, University of New England, Biddeford, Maine.

David Sandmire, M.D., is an associate professor in the department of biological sciences at the University of New England. Both authors live in Kennebunk, Maine.

Daniel Klein has written numerous books on science, medicine, and psychology. He currently resides in Great Barrington, Massachusetts.

Reviews

“Drs. Johnson and Sandmire have captured a lot of what I learned in 10 years of medical training in one focused text. This book tackles many of society’s medical issues and transforms them into one easily readable format.”

–Terence K. Gray, D.O., Clinical Fellow, Harvard Medical School

“A great resource for the American healthcare consumer that explains complex medical conditions in understandable language.”

–James M. Blum, Ph.D., chief executive officer and manager, Marshall-Blum, Herbal Research Clinic

“Dr. Johnson and Dr. Sandmire have written a fresh and welcome guide that will certainly enhance and improve the doctor/patient relationship. I truly believe that this book will change — and save — lives.”

–John Caramagna, D.O., Diplomate — American Osteopathic Board of Family Physicians

“This book is a literary triumph in preventive medicine. Drs. Johnson and Sandmire present an honest assessment of our current healthcare system, and an easy-to-understand self-help manual enabling each of us to take a proactive role in our personal health.”

–Alan N. Weiner, D.O., Portland, Maine-based specialist in nutritional and environmental medicine

Excerpt

The following is an excerpt from the book Medical Tests That Can Save Your Life: 21 Tests Your Doctor Won’t Order … Unless You Know to Ask

by David Johnson, Ph.D., and David Sandmire, M.D. with Daniel Klein

Published by Rodale; August 2004; $14.95US/$21.95CAN; 1-57954-732-X

Copyright © 2004 David Johnson, Ph.D., and David Sandmire, M.D.

PSA Tests For Prostate Cancer

Prostate specific antigen (PSA) was discovered in 1979. It is a protein produced by the cells that line the inside of the prostate. Prostate cancer changes the cellular barriers that normally keep PSA within the ductal system of the prostate, causing PSA to be released into the blood in higher quantities. All of the tests below consist of a simple blood draw and a laboratory analysis.

The total PSA test measures the total amount of PSA in your blood. The results are given in ng/ml (nanograms of PSA per milliliter blood), and a total PSA of 4 ng/ml or higher is considered to be a possible sign of prostate cancer. The risk increases as this number goes higher.

The total PSA and DRE (digital rectal examination) are generally the first line of tests done for detecting prostate cancer. If a suspicious finding occurs in either of these tests, your doctor will probably order follow-up tests, like a percent-free PSA test or transrectal prostate ultrasound, to determine if you should have a prostate biopsy.

The PSA velocity test is a measurement of the total PSA level over a period of time. Total PSA velocity should be determined over 24 months by measuring the total PSA on at least three separate occasions, spaced as equally apart as possible — ideally, every 8 months. A rise in total PSA of over 0.75 ng/ml per year over this time is suggestive of prostate cancer and may warrant having a prostate biopsy.

The total PSA that is measured in the blood exists in two major forms — PSA that circulates bound to proteins (the more abundant form) and PSA that circulates “free” in the blood (not bound to proteins). The percent-free PSA test, by measuring only that amount of the total PSA that is in the free form, enhances the overall reliability of the PSA test, because men with prostate cancer tend to have a lower percentage of PSA in the free form than men without prostate cancer.

The percent-free PSA test is mainly used as a follow-up test in men who are found to have a total PSA level in the so-called “gray area” — between 4 ng/ml and 9.9 ng/ml — to help determine who should undergo a prostate biopsy and who should not. Currently, a prostate biopsy is recommended in these men when their percent-free PSA is less than 10 percent. A biopsy is usually not recommended when their percent-free PSA is greater than 25 percent. If the percent-free PSA is between 10 and 25 percent, the patient’s overall risk profile is used to decide how to proceed.

Follow-Up Testing

Once your doctor determines that you have an abnormal digital rectal examination or an abnormal PSA (based on total levels, percent-free PSA, PSA velocity, or a combination), the next step will most likely be a transrectal ultrasound of your prostate.

For the transrectal prostate ultrasound (TPU), a cylinder-shaped ultrasound probe will be gently placed in your rectum as you lie on your left side with your knees bent. The probe is rocked back and forth to obtain images of the entire prostate. The procedure takes about 15 to 25 minutes to perform.

The TPU can display both the smooth-surfaced outer shell of the prostate and the core tissues surrounding the urethra (the tube that comes out of the bladder down through the penis). The doctor will look at the entire volume of your prostate.

If the TPU shows an enlarged prostate, this indicates either inflammation of the prostate (prostatitis) or benign enlargement of the gland. A TPU showing either a distinct lump or an irregular area within the gland suggests cancer. If a lump or irregularity is seen, a biopsy will be taken in order to definitively diagnose cancer.

Reliability

Total PSA Test

The total level of PSA in serum is increased by factors other than cancer. So, like the DRE, total blood PSA alone is neither accurate nor optimally specific for prostate cancer screening. Only 15 to 25 percent of men with an elevated total PSA (greater than 4 ng/dL) are found to actually have prostate cancer. Similarly, up to 30 percent of men who do in fact have prostate cancer have a normal total PSA blood level.

PSA Velocity Test

This test has a reported sensitivity of about 72 percent and a specificity of 95 percent. Remember, sensitivity is the ability to detect the disease when it’s truly there. Specificity is the ability to detect the absence of disease when it is truly absent. Therefore, this test is pretty good at detecting prostate cancer when you in fact have it, and it is very good at informing you that you do not have it. However, since this test is done over a 2-year period, it isn’t appropriate when a quick diagnosis is necessary.

Health Risks

There are none for the various PSA tests; these are simple needle draws. And there are no serious risks from a TPU without a biopsy. Infection is rare, only occurring as a result of biopsy (if one is done) rather than as a result of the ultrasound itself.

Cost of the Screening Tests

The standard PSA blood test costs between $20 and $60. Some self-testing home kits are available for about $40 from Web sites like TestCountrycom. The free PSA blood test and the PSA velocity test cost about $100 each. Medicare and most health insurers typically cover these tests for men over 50.

Alcohol tests are conducted to know whether the person has consumed alcohol or not. Alcohol testing is conducted in different ways using urine, blood, saliva and breathe specimens. Every test has its own importance and advantages of using it. Results of some alcohol testing can be used as evidence for legal considerations.

Types of alcohol testing
Basically there are four types of alcohol tests. They are Urine alcohol test, Blood alcohol test, Alcohol breathalyzer test and Saliva alcohol test. The following are the different types of alcohol testing.

• Urine Alcohol Test:
As the name goes urine alcohol test is conducted on urine specimen of the person for whom the test is conducted. This test indicates the presence of alcohol in a person’s body, but it takes up to 2 hours for alcohol to show up in person’s urine. Urine alcohol test is less expensive when compared to other alcohol tests. This test can also be conducted at home but for accurate results lab verification is required.

• Blood Alcohol Test:
Blood alcohol test is accurate and expensive when compared to other alcohol tests. Blood alcohol test is conducted on blood specimen and helps in identifying the actual content of alcohol present in blood. Blood tests are least used method in testing for alcohol because of their high cost.

• Alcohol Breathalyzer Test:
The common form of breath alcohol testing is breathalyzer test. Blood Alcohol Content (BAC) is indirectly estimated by measuring the amount of alcohol in one’s breath. There may be inaccurate results due person’s breathing rate may change by vigorous exercise. If law enforcement personnel fail to use the breathalyzers properly or fail to maintain the device properly, then the results may not be accurate.

• Saliva Alcohol Test:
Presence of alcohol is tested through saliva specimen of the person for whom the test is conducted. This test is expensive than urine test and most commonly used test when compared to other tests. Samples are collected at the time of test and chance of tampering the sample is less. There are no nationally accepted cutoff levels for this test. Therefore, the results of saliva alcohol test are not accepted as evidence for any legal consideration.

To prevent road accidents, legislators are using these tests and making high efforts in controlling the accidents which are caused due to driving under the influence of alcohol. Testing for alcohol has become common for evaluation of employee. For avoiding accidents and evaluating employees, alcohol testing has become more important and is implemented more commonly than earlier.

Blood tests are a very useful testing tool. Blood is a sticky red fluid with a salty taste, and is slightly alkaline in reaction. It is made up of liquid portion which is called as plasma and remaining portion is solid which is called as the blood cells.

The purpose of blood clotting is to plug down and set free an enzyme which reacts with other clotting substances in the blood. The result is a jelly like mass composed of a network of threads around the blood cells. The clot soon reduces its size and serum comes away from it. This serum is used in chemical tests and in the test to find out how the immune system fights diseases.

Blood samples are taken by doctors, seen through a microscope and find out the infectious diseases.

How Blood Test Carried Out?
Blood test is carried out on a small sample of blood, which is taken from a vein in your arm using a fine needle and a small syringe. Although some people dislike needles, the blood test causes minimal discomfort. The sample is then sent to a specialist laboratory, and the results are available within a few days.

Blood will be drawn either at this first visit for routine blood analysis or at a later visit for the Alpha-fetoprotein test. A nurse will take your blood by inserting a needle into a vein on the inside bends of your elbow.

To take finger prick blood test, the nurse initially take a ball of cotton dipped with spirit, cleans with the cotton and will prick the tip of the finger and then squeeze the finger to draw a drop of blood. This blood is placed on a glass slide for laboratory analysis.

If the blood is taken from an artery, it is usually taken from the wrist where there is an artery that is close to the skin. Sometimes artery will not be visible to take blood. It takes little trouble; lastly the artery can be visible. After taking blood from the artery it is necessary to keep a cotton ball on the place where the
injection was made for few minutes to stop bleeding.

How The Blood Is Examined By Doctors?
Blood is made up of liquid plasma and solids the blood cells. Plasma is a pale yellow fluid consisting of water ninety percent, salts including sodium chloride 0.9 percent, proteins including albumen which make the blood sticky, nutrients such as glucose, fats, amino acids and vitamins, waste products such as urea and carbondioxide, antibodies and antitoxins for resistance to disease germs, hormones produced by the endocrine glands, substances for blood clotting and for preventing clotting of blood. Plasma is very important for the life of the tissue cells, conveying to them water and nourishment, and carrying away their waste products. There are three main types of blood cells: red blood cells, white blood cells and blood platelets. To get the information of these cells, blood samples are taken. These tests are listed below:

Red blood cells are the most numerous. They are formed in the bone marrow and wear out in about three months, so need replacing. They are very tiny discs with no nucleus, and are filled with hemoglobin which is made from iron and protein. Hemoglobin gives the blood its red color. The normal amount of hemoglobin is 14.5 to 15 grams of blood. Lack of iron to make hemoglobin is a common cause of anemia.

Doctors add some stains to the blood smear to test the blood for parasites in the case of sleeping sickness or for malaria. In case if blood poisoned the doctor take test whether any bad bacteria is present.

White blood cells help to fight infection and therefore, are an important part of the immune system. The risk of developing an infection is due to low white blood cell count increases. There are several kinds of white blood cells; Neutrophils are important white cells that help fight infections caused by bacteria and yeasts. Others, called lymphocytes, carry the immunologic memory to protect against viral and other infections, especially those for which people receive vaccinations.

Blood Platelets are produced in the bone marrow and help in the clotting of blood during injury. Platelets are very smaller than red and white blood cells. The risk of bleeding and bruising is due to low platelet count increases.