Cardiovascular Flashcards
A group of symptoms caused by myocardial ischemia; includes angina and myocardial infarction.
acute coronary syndrome
A heart attack; death of heart muscle following obstruction of blood flow to it; in this context the attack is “new” or “happening right now.”
Acute myocardial infarction
Transient (short-lived) chest discomfort caused by partial or temporary blockage of blood flow to the heart muscle; also called angina.
Angina pectoris
A weakness in the wall of the aorta that makes it susceptible to rupture.
Aortic aneurysm
The one-way valve that lies between the left ventricle and the aorta and keeps blood from flowing back into the left ventricle after the left ventricle ejects its blood into the aorta; one of four heart valves.
Aortic valve
A tracing on an ECG that is the result of interference, such as patient movement, rather than the heart’s electrical activity.
Artifact
The complete absence of all heart electrical activity.
Asystole
The ability of cardiac muscle cells to contract without stimulation from the nervous system.
Automaticity
When the heart fails to generate effective and detectable blood flow; pulses are not palpable, even if muscular and electrical activity continues in the heart.
Cardiac arrest
A disorder in which the heart loses part of its ability to effectively pump blood, usually as a result of damage to the heart muscle and usually resulting in a backup of fluid into the lungs.
Congestive heart failure
The blood vessels that carry blood and nutrients to the heart muscle.
Coronary arteries
To shock a fibrillating (chaotically beating) heart with specialized electric current in an attempt to restore a normal, rhythmic beat.
Defibrillate
Swelling in the part of the body closest to the ground, caused by collection of fluid in the tissues; a possible sign of congestive heart failure.
Dependent edema
Widening of a tubular structure such as a coronary artery.
Dilation
A condition in which the inner layers of an artery, such as the aorta, become separated, allowing blood (at high pressures) to flow between the layers.
Dissecting aneurysm