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13 Cards in this Set
- Front
- Back
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Atrial contraction produces an "a wave" in the LA at the end of (blank).
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diastole
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Why does the aortic valve usually close before the pulmonic valve?
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Gradient between Aorta and LV is higher than Pulmonic and RV
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In the cardiac cycle of the LA, what does the "c wave" stand for?
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After the "a wave", the MV closes causing a small rise in pressure ("c wave").
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In the cardiac cycle of the LA, passive venous filling is represented by the (blank).
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"v wave"
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What 3 factors determine the intensity of S1?
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distance between leaflets; mobility of the leaflets;
rate of rise of Ventricular pressure |
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What 2 conditions could enhance the S2 heart sound? diminish?
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Systemic or Pulmonary HTN; aortic or pulmonic stenosis
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Following S2, mitral or tricuspid stenosis can cause a (blank) diastolic heart sound.
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opening snap (the closer to S2 the more severe the stenosis)
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Describe low pitched, S4.
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Atrium contraction vigorously against a stiffened ventricle.
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What is a pericardial knock?
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Sound caused by abrupt cessation of ventricular filling in constrictive pericarditis.
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How is a murmur generated?
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Turbulent blood flow
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Ejection type, systolic murmurs are of what shape?
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crescendo, decrescendo following short delay due to isovolumic contraction
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What does the position of the peak in aortic stenosis caused ejection systolic murmur tell us?
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The later in systole, the worse the stenosis
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What role does the size of the VSD play in pansystolic murmur intensity?
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The smaller the size, the greater the intensity.
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