Advice 1: Why take a blood test at cold

The flu or SARS, as it is called physicians, it is different. And it's not just in the form of: light or heavy, but in the nature of the pathogen, which caused such diseases. Therefore, despite the obvious signs of the disease of a catarrhal nature: cough, runny nose, red throat etc. a doctor often sends a patient for a blood test to confirm the diagnosis.
Why take a blood test at cold
Why do I need to donate blood, it would seem that such an obvious disease, like a bad cold - many patients are puzzled and think this as personal speculation of the doctor. In fact, in this procedure lies a very deep meaning.

What is a cold

If the doctor offers to take a blood test when the patient supposes himself a common cold, you should not refuse. After all, such a study allows the technician to specify the primary nature of the disease. And it affects the whole treatment plan. After all, to save the health - not the easiest task.
A wrongly chosen treatment plan does not improve the patient's condition. On the contrary, it only delays the time and oil painting. So specifying tests is best done immediately.

Colds in the global plan is 2 types: viral and bacterial. In the first case the agent acts a particular virus, and the second bacteria. The difference in the result at first sight no: the person observed all the symptoms of a cold are headache, fever, runny nose, cough, etc. However, the type of the pathogen is very important in the appointment of treatment. For example, you can get sick from viral influenza, and can pick up bacterial sore throat.

This is due to the fact that viruses are treated with antiviral medications, and bacteria – antibacterial (or antibiotic). If you try to kill the virus with antibiotics, the use of it does not bring, because the viruses to such drugs insensitive. The same thing is happening in an attempt to cure a bacterial disease a remedy against virus.
It is worth remembering that uncontrolled and inappropriate antibiotic can lead to quite serious problems in the body and besides cold have to treat something worse.

Why give blood with a cold

Blood during a cold is a good enough marker. She will show you what you've been infected. After all, each pathogen is characterized by their norm.

In addition, the blood test allows to determine at what stage your process. A strong increase of the white cells will tell the doctor about the existing inflammation. A decrease of closer to the boundaries of the norm would indicate recovery.

In addition, blood can always be understood, is not moved if the viral disease in the bacterial. And this happens quite often, if the person first had the virus on their feet or could not receive adequate treatment. In this situation a blood test will help to create not only a treatment plan and rehabilitation plan.

For statement of the exact diagnosis it is enough to pass a General analysis. However, if people are worried about their health, it can take a full biochemistry and at the same time check all other parameters.

For the result, can not survive. In this case, the analysis is done quickly – within days. If you take it into a private laboratory, and within a few hours. This means that it is better to wait a bit, but to start the right treatment, than to hurry and hurt yourself even more.

Before testing it is better not to drink any medicine, spirits (often used to treat colds in unconventional ways).

Advice 2 : How to take blood biochemistry

Analysis of biochemical composition of blood is often prescribed by doctors method for diagnosis of various diseases. According to the results, it is possible to judge the presence of a malfunction of the kidneys, liver, heart and other internal organs. When carrying out a full biochemical analysis explores more than 20 of blood cells. From the total list of doctor will choose those indicators about which information is most important to diagnose the patient's condition. To get the most accurate results biochemistry, to give blood you need to properly prepare.
How to take blood biochemistry
You will need
  • - the direction of a physician for a blood test;
  • - the policy of obligatory medical insurance;
  • - a voucher for a visit to the laboratory;
  • - disposable syringe with a volume of 10 ml;
  • overshoes or shoes.
Receiving from the physician the direction to the study of blood, specify the time of work of the laboratory and the rules for its visit. In most district clinics, the procedure is free of charge. However, you must pre-register and get a special card with the date and time of delivery of the analysis. You may have to purchase disposable syringe for blood sampling 10 ml and booties for a visit to the laboratory. In paid medical institutions price instruments are included in the total cost of the service.
Eliminate from your diet the day before the test "harmful" food: greasy, fried, spicy. Try to avoid coffee, strong tea, dark chocolate. Strictly forbidden the day before blood sampling to consume alcoholic beverages, including beer. The fact that derived from food substances can temporarily change blood counts. For example, alcohol increases the level of uric acid, while coffee increases the number of leukocytes. The doctor will see corrupted data and make unfounded conclusion about the health of the patient.
Do not eat Breakfast on the day of blood donation. Just drink a glass of clean water. If you smoke the last cigarette put out 2 hours before visiting the laboratory. Do not use any medications, because they have a strong impact on the performance of the biochemistry. In those situations, when to drop the tablets can't, move their appointment for a later time. Physiotherapy (massage, heating) and x-rays need to pass after biochemistry.
Note the correct position of the body with blood. If the person is worth it, you can increase the indicators of creatinine, cholesterol, alkaline phosphatase, etc. So it is better to sit or lie down on the couch. Before visiting the laboratory also avoid physical activity, e.g. fast or climbing stairs.
Blood for biochemical analysis taken from the cubital vein. Only need about 5 ml, sometimes a little more. Before the introduction of the needle, squeeze the hand into a fist, but don't move your arm too rapidly. If the nurse finds the vein near the elbow is not enough visible, she can take blood from the hand or foot. The result of the analysis of the injection needle will not be affected.
Get the transcript of biochemistry. As a rule, she is ready for the next day, but in extreme cases, the analysis may hold for a few hours. Evaluate the results correctly, can only your doctor. All your questions will discuss with him. Maybe the doctor will prescribe a second biochemical analysis at a later time, for example, after weeks of medication. This is done in order to trace the dynamics of changes in blood composition and adjust the treatment.

Advice 3 : How to check a blood alcohol

Analysis to determine the presence and level of alcohol in the blood is a common medical procedure. The level of ethanol you can test using a portable breathalyzer, and through full laboratory analysis.
How to check a blood alcohol

Causes check blood alcohol content

The reasons why there is a necessity to check blood-alcohol (ethanol), can be divided into two groups:
1. medical;
2. legal.

In the first case, establishing the concentration of alcohol is needed to identify whether alcohol cause intoxication. The same legal implications of checking the content of ethanol in the blood are of various offences. The latter most often associated with drunk driving and consumption of alcoholic beverages by minors.

Another reason for the need for analysis – the clarification of the status of the specialist (the beginning of the working day), occupying a position that requires a clear mind and concentration. So, for example, is the profession of the driver.

Procedure check the level of ethanol in blood with the help of a breathalyzer

Procedure check the availability of ethanol in the blood is carried out using a special device – breathalyzer (breathalyser). The latter is a measurement tool consisting of a mouthpiece, sensor, or screen. The mouthpiece is the tube that the patient should breathe air (that is establishing the presence of alcohol in the blood). The sensor responds to the presence in the body of acetaldehyde, which is produced during the digestion of alcohol. Accordingly, the screen reflects the data obtained.

In the interpretation of the results relies on the figure 0,0-0,4 ppm. It is negative, that is evidence of the sobriety test. Mark also greater than 0.4 ppm to the contrary.

Due to some reasons, the procedure of checking the availability of alcohol in the blood by using a breathalyzer test does not always give truthful testimony. Alternative to it – medical analysis.

Medical check for alcohol in the blood

The official procedure for the verification of alcoholic substances in the blood is carried out in the laboratory. The most often used method developed by the Swedish chemist Widmark. Is such experience in special insulated flask (the flask Widmark), which is placed 1 ml of a mixture of potassium dichromate with sulfuric acid and the blood test. After the flask is sealed and placed for several hours in the thermostat. If blood has alcohol, it needs to oxidize. Evidence of this is the transformation of the color of the solution from yellowish to greenish-bluish.

Among other medical methods for detection of ethanol are considered to be quite effective enzymatic method and gas chromatography.
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