length of systole at 72 bpm
.3 s
length of diastole at 72 bpm
.5 s
phase I
passive ventricular filling
phase II
atrial contraction
EKG correlate for phase II
p wave
what % does atrial contraction contribute to EDV at resting HR
25
what % does atrial contraction contribute to EDV at high HR
40-50
phase III
isovolumetric ventricular contraction
EKG correlate for phase III
QRS
phase IV
ventricular ejection
phase V
isovolumetric ventricular relaxation
EKG correlate for phase V
t wave
when is EDV measured
end of phase II
when is ESV measured
end of phase IV
normal RA pressure
0-5
normal RV pressure
25/5
normal PA pressure
25/10
normal LA pressure
8-10
normal LV pressure
120/10
normal Ao pressure
120/80
when are the atria NOT filling
P wave/phase II