what tests are done when you donate blood?
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As well as checking the blood group, all donations are tested for syphilis, Hepatitis B virus, Hepatitis C virus, Hepatitis E virus , Human Immunodeficiency virus (HIV) and first time donors Human T-lymphotropic virus.
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There are three main blood tests that will determine if a patient and a potential donor are a kidney match. They are blood typing, tissue typing and cross-matching.
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Often, the first test used to diagnose anemia is a complete blood count (CBC). The CBC measures many parts of your blood. The test checks your hemoglobin and hematocrit (hee-MAT-oh-crit) levels. Hemoglobin is the iron-rich protein in red blood cells that carries oxygen to the body.
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For a complete blood count, a member of your health care team takes a sample of blood by inserting a needle into a vein in your arm, usually at the bend in your elbow. The blood sample is sent to a lab for analysis.
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['Complete blood count (CBC). This common blood test measures the amount of various types of blood cells in a sample of your blood. ... ', 'Blood protein testing. ... ', 'Tumor marker tests. ... ', 'Circulating tumor cell tests.']
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If your blood sample is being tested only for a complete blood count, you can eat and drink normally before the test. If your blood sample will be used for additional tests, you may need to fast for a certain amount of time before the test. Your doctor will give you specific instructions.
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Not all blood tests will require you to fast beforehand. Blood tests that you will likely need to fast for include: blood glucose test. liver function test.
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Fatigue. Slight fatigue is normal after a blood donation, and some people experience this more than others. Anyone who feels tired after donating blood should rest until they feel better. Drinking plenty of water and restoring vitamin and mineral levels may help reduce fatigue.
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Before your blood donation: Get plenty of sleep the night before you plan to donate. Eat a healthy meal before your donation. Avoid fatty foods, such as hamburgers, french fries or ice cream before donating.
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You must wait a minimum of 56 days between whole blood donations. You must wait at least 7 days after donating blood before you can donate platelets. After an automated double red cell collection, you must wait 112 days before donating again.
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During a blood test, a health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out. This usually takes less than five minutes.
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You may need a blood transfusion if you have anemia, sickle cell disease, a bleeding disorder such as hemophilia, or cancer. For people in critical condition, blood transfusions can be lifesaving. Four types of blood products may be given through blood transfusions: whole blood, red blood cells, platelets, and plasma.
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Blood tests are the most common way to diagnose the human immunodeficiency virus (HIV), the virus that causes acquired immunodeficiency syndrome (AIDS). These tests look for antibodies to the virus that are present in the blood of infected individuals. People exposed to the virus should get tested immediately.
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About 55% of blood is comprised of plasma, of which 90% is water. So, although you donate less than a pint of blood at a time, almost half of this is water. That's why it is important for you to drink plenty of water before you donate and immediately after you've donated.
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Specifically, blood tests can help doctors: Evaluate how well organs—such as the kidneys, liver, thyroid, and heart—are working. Diagnose diseases and conditions such as cancer, HIV/AIDS, diabetes, anemia (uh-NEE-me-eh), and coronary heart disease. Find out whether you have risk factors for heart disease.
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['Blood glucose test. Blood glucose tests, also sometimes called blood sugar tests, are usually used to check for or monitor diabetes. ... ', 'Calcium blood test. ... ', 'Cardiac enzymes. ... ', 'Cholesterol and lipid tests. ... ', 'C-reactive protein (CRP) test. ... ', 'D-dimer test. ... ', 'Erythrocyte sedimentation rate (ESR) test. ... ', 'Folate test.']
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['Complete blood count (CBC). A CBC is used to count the number of blood cells in a sample of your blood. ... ', 'A test to determine the size and shape of your red blood cells.']