Why a blood test may be bad

A blood test can be wrong if they revealed deviations from the specific values of key performance indicators. At the same time, there are only two main reasons that characterize bad blood: failure to comply with certain rules before donation and the development of any abnormalities or diseases in the human body.

In turn, if the cause of bad blood is the result of improper preparation of the patient before the procedure. In this case, receiving a specialist referral for blood donation, it is necessary to find out how you can properly prepare for this. Many studies require compliance with special rules before the blood test. Thus, often it is enough to follow certain guidelines. For example, most blood tests (the study of hormones, biochemical analysis) must pass the morning on an empty stomach, that is only after 8 hours at least after eating. But common blood test is recommended in some cases to take on an empty stomach, but as a rule suggest that after lunch there were at least 2-3 hours.
It is not recommended to visit sauna or bath, be subjected to any heavy exercise before the blood test.

Also, to avoid bad data, on the eve of blood donation on the study to exclude from the food greasy, spicy, sweet, salty, fried foods and alcoholic beverages. If a person smokes, 2 hours before blood must stop Smoking because it can also affect getting a bad blood test.

Reasons for bad blood

Soybeans in the blood may be the main cause of poor analysis. This product for a long time can remain in the blood, so should not eat before donating blood. Thus, deviations in the present study, blood from normal values can talk about the development of many diseases. It is for the bad blood to identify the disease, even such as cancer.

Reduced hemoglobin in the blood is a more frequent cause of bad blood, especially during pregnancy. Such a deviation of hemoglobin indicates anemia, which can cause oxygen starvation of the body.
Hemoglobin is a special protein that is responsible for the movement of oxygen from the human lung to other organs.

Also cause bad blood can be any operation that was carried out before testing. Inappropriate lymphocyte count may also indicate bad blood. In turn, lymphocytes are a type of white blood cell involved in protecting the human body from penetration of alien viruses and bacteria. They are formed in the bone marrow and exert their activity in lymphoid tissues. A high lymphocyte count can cause the growth of lymph nodes in certain parts of the human body or a certain number of lymph nodes throughout the body.