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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «A»:

  1. Anti-reflux surgery - discharge Anti-reflux surgery - discharge
    You had surgery to treat your gastroesophageal reflux disease (GERD). GERD is a condition that causes food or liquid to come up from your stomach into your esophagus (the tube that carries food from your mouth to your stomach). Your surgeon probably repaired a hiatal hernia with stitches. A hiatal h...
  2. Anti-smooth muscle antibody Anti-smooth muscle antibody
    This is a blood test that detects the presence of antibodies against smooth muscle. How the Test is Performed Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antiseptic). The health care provider wraps an elas...
  3. Antibody Antibody
    An antibody is a type of protein. The body's immune system produces antibodies when it detects harmful substances, called antigens. Examples of antigens include microorganisms (such as as bacteria, fungi, parasites, and viruses) and chemicals. Antibodies are also be produced when the immune system m...
  4. Antibody titer Antibody titer
    Antibody titer is a laboratory test that measures the presence and amount of antibodies in blood. The antibody level in the blood is a reflection of past exposure to an antigen or to something that the body does not recognize as belonging to itself. The body uses antibodies to attack and remove fore...
  5. Antigen Antigen
    An antigen is any substance that causes your immune system to produce antibodies against it. An antigen may be a foreign substance from the environment such as chemicals, bacteria, viruses, or pollen. An antigen may also be formed within the body, as with bacterial toxins or tissue cells....
  6. Antimitochondrial antibody Antimitochondrial antibody
    Antimitochondrial antibodies (AMA) are substances (antibodies) that form against mitochondria, an important part of cells. Mitochondria are the energy source inside all of the body's cells. Mitochondria help cells work properly. This article discusses the blood test used to measure the amount of AMA...
  7. Antinuclear antibody panel Antinuclear antibody panel
    The antinuclear antibody panel is a blood test that looks at antinuclear antibodies (ANA). Antinuclear antibodies are substances produced by the immune system that attack the body's own tissues. See also: Autoimmune disorder How the Test is Performed Blood is drawn from a vein, usually from the in...
  8. Antiparietal cells antibodies test Antiparietal cells antibodies test
    The antiparietal cells antibodies test measures the presence of antibodies against the parietal cells of the stomach. The parietal cells make and release intrinsic factor and stomach acid. Intrinsic factor is needed to absorb vitamin B12. How the Test is Performed Blood is typically drawn from a ve...
  9. Antisocial personality disorder Antisocial personality disorder
    Antisocial personality disorder is a psychiatric condition in which a person manipulates, exploits, or violates the rights of others. This behavior is often criminal. Causes Personality disorders are long-term (chronic) patterns of behaviors and relationships that interfere with a person's life ove...
  10. Antistreptolysin O titer Antistreptolysin O titer
    Antistreptolysin O (ASO) titer is a blood test to measure antibodies against streptolysin O, a substance produced by Group A Streptococcus bacteria. How the Test is Performed Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned wit...
  11. Antithrombin III Antithrombin III
    Antithrombin III is a blood test that measures the amount of antithrombin III (AT III), a protein that helps control blood clotting. How the Test is Performed Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing me...
  12. Antithyroglobulin antibody Antithyroglobulin antibody
    Antithyroglobulin antibody is a test to measure antibodies to a protein called thyroglobulin, which is found in thyroid cells. How the Test is Performed Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (antisept...
  13. Antithyroid microsomal antibody Antithyroid microsomal antibody
    Antithyroid microsomal antibody is a test to measure antithyroid microsomal antibodies in the blood. Microsomes are found inside thyroid cells. The body produces antibodies to microsomes when there has been damage to thyroid cells. How the Test is Performed Blood is typically drawn from a vein, usu...
  14. Aortic aneurysm repair - endovascular Aortic aneurysm repair - endovascular
    Endovascular abdominal aortic aneurysm repair is surgery to fix a widened part (or aneurysm) in your aorta, the large artery that carries blood to your belly, pelvis, and legs. An aortic aneurysm is when a part of this artery becomes too large, or balloons outward, due to weakness in the wall of th...
  15. Aortic aneurysm repair - endovascular- discharge Aortic aneurysm repair - endovascular- discharge
    You had endovascular aortic aneurysm repair to repair an aneurysm (a widened part) in your aorta, the large artery that carries blood to your belly (abdomen), pelvis, and legs. Your doctor made a small incision (cut) near your groin to find your femoral artery. Then your doctor inserted a stent and ...