Test 1 Review Flashcards
Papillary Muscle
holds mitral and tricuspid in place and prevents leakage through av vales during systole
automacity
spontaneous creation of electricity by specific myocardial cells
excitability
ability to respond to impulse/ electrical stimulation
conductivity
transmits and recieve electrical impulses
contractibility
myocardial cells to shorten and contract before recovering from ventricular contraction
vagus nerve
connects heart to brain
Diaphoresis
excessive sweating
Renin
venous constrictor excreted from kidneys
Coronary Sinus
collection site for deoxygenated blood
venules
smallest veins
great coronary vein
waste that goes into coronary sinus
infarct
where hemorrhage occurred in vessels and can cause a clot
bundle of his
connects upper and lower chambers of the heart
lv filled
endiastolic volume
remains in lv
endystolic volume