Heart murmurs Exam Pack Verified Latest Update .

heart murmurs - Answer relatively prolonged extra sounds heard during systole or diastole. caused by some disruption in the flow of blood into, through, or out of the heart. stenosis - Answer when the leaflets are thickened and the passage narrowed, forward blood flow is restricted. regurgitation - Answer when valve leaflets, which are intended to fit together snugly lose competency and leak, blood flows backward. characterization of heart murmurs include - Answer time and duration, pitch, intensity, pattern, quality, location, radiation, respiratory phase early systolic (timing and duration) - Answer begins with s1, decrescendos, ends well before s2 midsystolic (ejection) (timing and duration) - Answer begins after s1, ends before s2; crescendo-decrescendo quality sometimes difficult to discern late systolic (timing and duration) - Answer begins mid-late systole, crescendos, ends at s2; often introduced by mid to late systolic clicks. early diastolic (timing and duration) - Answer begins with s2 mid diastolic (timing and duration) - Answer begins at clear interval after s2 late diastolic (presystolic) (timing and duration) - Answer begins immediately before s1