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