Cardiac terms from nearpod Flashcards
three muscles layers of the heart
pericardium, epicardium, and endocardium
the four chambers of the heart
tricuspid, mitral, aortic, pulmonic
where can the apical be auscultated and palpable
left chest 5th intercostal space
what is known as the pacemaker of the heart; normal rate is 60-100bpm
sinoatrial node (SA)
which valves are open during diastole
tricuspid and mitral
atrioventricular vales are known as the
tricuspid and mitral valve
during ______ systole contraction of papillary muscles causes the chordea tendineae to become taut, keeping the valve leaflets approximate and enclosed
ventricular
S1 sound is the closure of what valves
tricuspid and mitral
turbulent blood flow caused by a narrowed or malfunctioning valve
murmur
S2 sounds is the closure of what valves
aortic and pulmonic
semilunar valves are known as the
aortic and pulmonic valves
3 major events in each cardiac cycle
diastole, atrial systole, ventricular systole
cardiac output =
SV x HR
average adult CO
4.7 L
normal range for CO
4-8 L