Heart Disorders

What Is Idiopathic Dilated Cardiomyopathy? Idiopathic dilated cardiomyopathy (IDCM) is a disorder of myocardial (heart muscle) function characterized by dilation or enlargement of the cardiac chambers and reduction in the ability of the ventricles (lower chambers) to contract with the required force ...

What Is Turner Syndrome? Turner syndrome is a sex chromosome abnormality in females characterized by failure of the ovaries to respond to pituitary hormone stimulation as a consequence of having complete or partial absence of the two sex (X) chromosomes. ...

What Is Angina Pectoris? Angina pectoris, or simply angina, is a coronary syndrome characterized by an oppressive substernal pain (pain under breastbone) or pressure brought on by exertion and relieved by rest that results from failure of coronary arteries to ...

What Is Coronary Artery Disease (CAD)? Coronary artery disease (CAD), also called ischemic heart disease, is a gradual narrowing of medium and large arteries of the heart by fatty buildups, called atherosclerotic plaques. It is characterized by slowly developing interference with blood flow to heart ...

What Is Cardiomegaly? Cardiomegaly is a non-inflammatory disorder of the myocardium (heart muscle) causing the heart to enlarge. Q: What happens when the heart enlarges? A:The heart enlarges because excessive growth of muscle tissue (hypertrophy) thickens the heart walls which in ...