An organic compound containing nitrogen, carbon, hydrogen and oxygen; one of the 20 building blocks of protein.

An imaging study that is used to evaluate patients for coronary artery disease. The procedure involves inserting a catheter into the body and threading it into the aorta.

A protein produced by the body’s immune system in response to the presence of a foreign substance, called an antigen. The body fights off infection by producing antibodies, which destroy or neutralize [..]

Arrhythmias are also called heart rhythm problems. A disorder of the heart rate or heart rhythm. Arrhythmias occur when the heart that beats too fast (called tachycardia), too slow (called bradycardia [..]

Shrinkage.

A device to prevent sudden cardiac death that is surgically placed under the skin in the chest or abdomen. When the AICD detects an irregular arrhythmia, the device uses electric pulses or shocks to r [..]

Lymph nodes that are located in the axillary, or armpit, area.

A long, slender projection from a nerve cell, or neuron, which conducts electrical impulses away from the cell.

A process or a growth in the body, or in an organ, that is not cancerous. Also called non-malignant.

The molecular interaction involved in biological processes; often a cascade of actions among molecules in a cell that leads to a product or outcome.