right atrium, tricuspid valve, right ventricle, pulmonary semilunar valve, left atrium, bicuspid valve, left ventricle, aortic semilunar valve, aorta
ventricular tachycardia
Torsades de Pointes
systole, diastole
ventricular filling
ventricular systole
isovolumetric relaxation
dicrotic notch
amount of blood pumped by ventricles
duration of ventricular diastole and by venoous pressure
afterload
sinoatrial node
0.22s
to allow for stretching of the ventricles when blood flow increases
wolff-parkinson-white syndrome
preload of cardiac muscle cells before contraction
-increased sympathetic stimuli
-hormones
-Ca2+ and drugs
decrease contractility
parasympathetic
a sympathetic reflex initiated by increased BP in atria
bainbridge reflex
decreased
slower heart rate
increased vagus nerve stimulation