Valvular Heart Disease II Flashcards
CV wave in left atrium
mitral regurg
Tx of mitral regurg
replace valve - when EF starts to decline (to 60%)
-even asymptomatic pt
or if ERO - effective regurg orifice is 40mm
repair - if no calcification in annulus or valve
chordae cannot be maintinaed - need replacement
anxious 32yo female chest pain and palpitations, mid-systolic click, late systolic murmur, shortens with lying down, handgrip, and squatting
mitral valve prolapse
myxomatous
prolapsing of mitral valve
standing with mitral regurg**
less murmur
standing with mitral valve prolapse**
longer murmur
mitral valve prolapse
aortic root disease, hyperadrenergic syndrome, myxomatous degeneration (marfans, ehler-danlos)
mid systolic click
murmur lengthens with standing, valsalva, and amyl nitrate
A and V arrhythmias
Tx of mitral valve prolapse
beta blockers
mitral valve repair - wedge repair
mitral replacement
ejection sound with diamond shaped harsh systolic murmur at base and high pitched systolic murmur at apex
aortic stenosis
decreases with squatting
gallaverdin phenomenon
dissociation between the noisy and musical components of the systolic murmur heard in aortic stenosis
path of aortic stenosis
bicuspid valve
degeneratie (calcification)
syncope in aortic stenosis
peripheral vasodilation
-from high V pressure stimulates baroreceptors in left ventricle
reduced afterload - calls for increased SV which can’t occur
-due to aortic stenosis
BP falls - patient passes out
parvus et tardus
aortic stenosis
weak and late pulse
at carotid
EKG with aortic stenosis
LVH and LAH
peak doppler gradient
measurement of flow through valve orifice squared x4
ex/ 4 flow = 64 gradient
LV failure, angina, or syncope occur when peak valvular gradient reaches 64
critical valve area
valve area < 1 cm2