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13 Cards in this Set

  • Front
  • Back
what is the only none pathological split heart sound?
S2 on inspiration
what makes the S1 sound?
mitral and tricuspid closing
what makes the S2 sound?
aortic and pulmonic closing
what causes a wide splitting of S2?
pulmonic stenosis, right bundle branch block, mitral regurgitation
what causes a fixed splitting of S2?
atrial septal defect, right ventricular failure
what is a paradoxical or reversed splitting of S2 and what causes it?
its a splitting of S2 that only occurs on exspiration and its caused by left bundle branch block
S3 sound
children to 35-40, tri 3 pregnancy, decubitus position at apex w/ bell
pathologic S3? aka?
aka = "ventricular gallop"
>40yrs. decreased myocardial contractility, myocardial failure, volume overloading from mitral/tri regurgitation
S4 normal? aka?
aka = "atrial gallop", occurs just before S1, bell, athletes and old people
S4 pathological?
stiff ventricular muscle
S4 pathological (left sided)?
hypertensive heart dx, coronary artery dx, aortic stenosis, heard in apex
S4 pathological (right sided)?
pulmonary hypertension, pulmonic stenosis
summation gallop?
quadruple rhythm of four heart sounds