15- Heart Sounds Flashcards
what does HOLO systolic mean?
hear the sound all the way across systole
distinction between grading a 3/6 versus a 4/6
4+/6 requires a thrill or heave
the murmur is heard at the same intensity as other heart sounds… grade it
3/6
what side of the stethoscope do you use to hear low pitch?
bell
What side of the stethoscope is S1 best heard?
diaphragm
what does the s1 sound represent?
mitral and tricuspid valve closure
you hear a widely split S1… what might it be?
complete right bundle branch block
what does the S2 sound signify?
aortic and pulmonary valve closure
when do you hear splitting of S2 (aka both an A2 and P2)
during inspiration
increased intensity A2 =
systemic hypertension
increased intensity P2 =
pulmonary arterial hypertension
what side of the stethoscope to listen to S3 sounds?
bell
why might you hear an S3 sound?
1- thyrotoxicosis
2- pregnancy
“the ventricular gallop”
S3
the atrial gallop is S4
if you hear an S4 what might be happening?
acute MI
or normal in older adults due to decreased ventricular compliance