A mass of plaque that has formed in an artery. See also Plaque.
the progressive narrowing and hardening of the arteries caused by buildup of fatty deposits (plaque) on the artery walls over time. Atherosclerosis can reduce or block blood flow.
a heart rhythm disorder in which the upper chambers of the heart (atria) contract rapidly and irregularly; a risk factor for heart failure and stroke
|atrial septal defect (ASD)||
a type of congenital heart defect in which there is a hole in the heart muscle wall that separates the left atrium from the right atrium; this allows oxygen-rich blood to flow from the left atrium into the right atrium instead of into the left ventricle to be pumped to the rest of the body; over time they can stretch and weaken the right side of the heart, leading to heart failure
|Atrioventricular (AV) node||
A bundle of cells that regulates the electrical current between the upper and lower chambers of the heart, maintaining heart rhythm.
One of the two upper chambers of the heart that receive blood from the lungs or body and push it into the ventricles.
wasting away of the muscles; women with PAD may develop atrophy of the leg muscles
|Autonomic nervous system||
The involuntary nervous system that controls heart rate, blood pressure, breathing, and other unconscious body functions.