What is Angelman syndrome Angelman syndrome is a rare genetic condition that primarily affects the central nervous system, causing physical and intellectual disability. Although Angelman

What is acromegaly Acromegaly is a rare but serious condition caused by too much growth hormone (GH) in the blood, causing body tissues and bones

Primary aldosteronism Primary hyperaldosteronism is a disorder caused by excess production of the hormone aldosterone by the adrenal glands ((Ashley B. Grossman, MD, FRCP. Hyperaldosteronism.

What is achalasia Achalasia from the Greek for 'does not relax', also known as cardiospasm, is a neurodegenerative motility disorder of the esophagus resulting in

Aortic valve disease Aortic valve disease is a condition in which the valve between the main pumping chamber of your heart (left ventricle) and the

What is aortic valve regurgitation Aortic valve regurgitation is a condition that occurs when your heart's aortic valve doesn't close tightly. Aortic valve regurgitation allows some

Aortic valve stenosis Aortic valve stenosis or aortic stenosis is a heart condition where the heart's aortic valve narrows making it harder for the heart

What is coarctation of the aorta Coarctation of the aorta is a narrowing of part of the aorta, which is the main artery leading out of

What is aortic dissection Aortic dissection is a serious condition in which there is a tear in the layers within the aortic wall of the

What is an aortic aneurysm An aneurysm occurs when part of an artery wall weakens, allowing it to widen abnormally or balloon out ((Aneurysms. Medline