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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «A»:

  1. Aortic angiography Aortic angiography
    Aortic angiography is a procedure that uses a special dye (contrast material) and x-rays to see how blood flows through the aorta, the major artery leading out of the heart. How the Test is Performed Before the test starts, you will be given a mild sedative to help you relax. An area of your body, ...
  2. Aortic arch syndrome Aortic arch syndrome
    Aortic arch syndrome refers to a group of signs and symptoms associated with structural problems in the arteries that branch off the aortic arch. The aortic arch is the top part of the main artery carrying blood away from the heart. Causes Aortic arch syndrome problems are most often associated wit...
  3. Aortic dissection Aortic dissection
    Aortic dissection is a potentially life-threatening condition in which there is bleeding into and along the wall of the aorta, the major artery carrying blood out of the heart. Causes When it leaves the heart, the aorta first moves up through the chest toward the head (the ascending aorta). It then...
  4. Aortic insufficiency Aortic insufficiency
    Aortic insufficiency is a heart valve disease in which the aortic valve weakens or balloons, preventing the valve from closing tightly. This leads to the backward flow of blood from the aorta (the largest blood vessel) into the left ventricle (the left lower chamber of the heart). Causes Aortic ins...
  5. Aortic stenosis Aortic stenosis
    The aorta is the main artery carrying blood out of the heart. When blood leaves the heart, it flows through the aortic valve, into the aorta. In aortic stenosis, the aortic valve does not open fully. This decreases blood flow from the heart. Causes As the aortic valve becomes more narrow, the press...
  6. Aortic valve surgery - minimally invasive Aortic valve surgery - minimally invasive
    Blood flows out of your heart and into the aorta through a valve. This valve is called the aortic valve. It opens up so blood can flow out. It then closes, keeping blood from flowing backwards. Aortic valve surgery is done to either repair or replace the aortic valve in your heart. An aortic valve ...
  7. Aortic valve surgery - open Aortic valve surgery - open
    Blood flows out of your heart and into the aorta through a valve. This valve is called the aortic valve. It opens up so blood can flow out. It then closes, keeping blood from flowing backwards. Aortic valve surgery is done to either repair or replace the aortic valve in your heart. An aortic valve ...
  8. Aortopulmonary window Aortopulmonary window
    Aortopulmonary window is a rare heart defect in which there is a hole connecting the major artery taking blood from the heart to the body (the aorta) and the one taking blood from the heart to the lungs (pulmonary artery). The condition is congenital, which means it is present from birth. Causes No...
  9. Apert syndrome Apert syndrome
    Apert syndrome is a genetic disease in which the seams between the skull bones close earlier than normal. This affects the shape of the head and face. Causes Apert syndrome can be passed down through families (inherited). The syndrome is inherited as an autosomal dominant trait, which means that on...
  10. APGAR APGAR
    APGAR is a quick test performed at 1 and 5 minutes after birth. The 1-minute score determines how well the baby tolerated the birthing process. The 5-minute score assesses how well the newborn is adapting to the new environment. The rating is based on a total score of 1 to 10, with 10 suggesting the...
  11. Aplastic Aplastic
    Aplastic means: Did not grow or develop normally Did not fully mature Became incapable of forming new tissue ...
  12. Apnea of prematurity Apnea of prematurity
    Apnea is breathing that slows down or stops from any cause. Apnea of prematurity refers to short episodes of stopped breathing in babies who were born before they were due. Causes There are several reasons why newborns, especially premature babies, may have apnea, including: Their brain is not ful...
  13. Apolipoprotein B100 Apolipoprotein B100
    Apolipoprotein B100 (apo B100) is a protein that plays a role in moving cholesterol around your body. It is a form of low density lipoprotein (LDL). This article discusses the test used to measure the level of apoB100 in the blood. How the Test is Performed Blood is typically drawn from a vein, usu...
  14. Apolipoprotein CII Apolipoprotein CII
    Apolipoprotein CII (apoCII) is a protein found in large fat particles absorbed from the gastrointestinal tract. It is also found in very low density lipoprotein (VLDL), which is made up of mostly triglycerides. This article discusses the test used to check for apoCII in a sample of your blood. How ...
  15. Apoplexy Apoplexy
    Apoplexy is bleeding into an organ or loss of blood flow to an organ. For example, adrenal apoplexy is bleeding into the adrenal glands, pituitary apoplexy is bleeding into the pituitary gland, and so on. When the word apoplexy (with no organ specified) is used alone, it often refers to stroke sympt...