Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
Acute coronary syndrome
|
rupture of a plaque in a coronary artery, from which an obstructive thrombus rapidly forms
|
|
Afterload
|
resistance to ejection of the blood from the ventricle
|
|
AV node
|
secondary pacemaker of the heart, located in the right atrial wall near the tricuspid valve
|
|
Baroreceptors
|
nerve fibers located in the aortic arch and carotid arteries… responsible for reflex control of the blood pressure
|
|
Cardiac cath
|
invasive procedure used to measure cardiac chamber pressure and assess patency of the coronary arteries
|
|
Cardiac output
|
amount of blood pumped by each ventricle in liters per minute
|
|
Contractility
|
ability of the heart muscle to shorten in response to electrical impulse
|
|
Depolarization
|
influx of sodium into the cell and potassium out, causing electrical activation
|
|
Diastole
|
period of ventricular relaxation resulting in ventricular filling
|
|
Ejection fraction
|
% of the end-diastolic blood volume ejected from the ventricle with each heartbeat
|
|
Opening snaps
|
abnormal diastolic sound generated during opening of a rigid AV valve leaflet
|
|
Systolic click
|
abnormal systolic sound created by the opening of a calcified aortic or pulmonic valve during ventricular contraction
|