IN
EXEXHALE
S1
A2
P2
Extra
Murmur
Rate: 60 BPM
Normal Sinus Rhythm
LearnAll Areas
S1 (Mitral/Tricuspid closure) marks the start of systole. S2 (Aortic/Pulmonic closure) marks the start of diastole.
S1 is louder at the Apex; S2 is louder at the Base.