Detailed information about the main medical and diagnostic tests. Find out what they are for, how they are made, what preparation is recommended and what the results mean.
The tilt test, also called tilt test, is an exam used to investigate and evaluate episodes of fainting and falls, which is done by observing heart rate and blood pressure, and symptoms such as weakness and dizziness, during changes in mood. position. The test is generally considered positive when fainting symptoms occur due to low […]
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Rectal examination is an exam indicated to identify prostate problems, such as prostate cancer or benign prostatic hyperplasia, but it can also be performed to evaluate changes in the rectum and anus, such as anal fissures, hemorrhoids or nodules. In addition, a rectal examination can also be done during a routine gynecological examination in women, […]
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Transferrin is a protein mainly produced by the liver and its main function is to transport iron to the marrow, spleen, liver and muscles, maintaining the proper functioning of the body. Transferrin assessment is normally indicated to confirm and differentiate anemia, with its dosage normally indicated together with the iron and ferritin dosage. Assessment of […]
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T4 is a hormone produced by the thyroid that is responsible for supporting metabolism, providing the energy necessary for the body to function correctly. T4 is almost completely conjugated to proteins so that it can be transported in the bloodstream to various organs and can perform its function. Free T4 corresponds to the concentration of […]
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The alanine aminotransferase test, also known as ALT or TGP, is a blood test that helps identify liver injuries and diseases due to the high presence of the enzyme alanine aminotransferase, also called glutamic pyruvic transaminase, in the blood, which is normally found between the 7 and 56 U/L of blood. The pyruvic transaminase enzyme […]
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Activated partial thromboplastin, or APTT, is the test that evaluates blood clotting. This test checks how long it takes for clot formation to occur after exposure of the collected blood to reagents and calcium chloride. This test is mainly indicated to monitor the use of heparin and the presence or absence of clotting factors, being […]
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The RAST test, also known as the specific IgE test, is an allergy test performed on a blood sample that is indicated to identify possible substances to which a person is allergic, assist in the diagnosis of allergies and monitor their treatment. In this test, the levels of IgE antibodies produced by the body against […]
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The HIV test is carried out to detect the presence of the HIV virus in the body and must be carried out at least 30 days after exposure to risk situations, such as unprotected sexual intercourse or contact with blood or secretions of people with the HIV virus. The HIV test is simple and is […]
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The paternity test is a type of DNA test that aims to verify the degree of kinship between the person and their supposed father. This test can be done during pregnancy or after birth by analyzing blood, saliva or hair from the mother, child and the supposed father. The main types of paternity testing are: […]
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The exercise test, also known as stress test or treadmill test, is an exam requested by the cardiologist to evaluate the functioning of the heart during physical effort, and is normally indicated to detect heart problems, such as ischemia or arrhythmias, for example. The exercise test can be performed on a treadmill or exercise bike, […]
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