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10 Cards in this Set

  • Front
  • Back
Define MVP.
Displacement of any portion of the MV leaflets beyond the MV annular plane during systole
Causes of MVP
Flail MV leaflets
Marfans Syndrome
Flail Chordae or pap muscle dysfunction
Infective endocarditis
Myxomato changes (thickening/fibrin deposits)
Mitral annular dilation
Familial/Non-familial connective tissue disease
Symptoms of MVP:
Most are asymptomatic
Palpitations (most common)
Chest pain (atypical, non-exertional)
Dyspnea, fatigue, exercise intolerance
Anxiety / Panic attacks
Murmur – mid-systolic click or med to high pitched late systolic murmur if MR present
Complications of MVP:
CHF if there is severe MR – leading to pulmonary hypertension
Increased risk of endocarditis
Increased risk for embolic events
CHF if there is severe MR – leading to pulmonary hypertension
Increased risk of endocarditis
Increased risk for embolic events
In what time (s) of the cardiac cycle can MVP occur?
Mid-systolic or holo-systolic
Best views for assessing MVP.
M-Mode:
posterior decent of lines of closure of MV in systole
Can see in mid-systole or holosystole
LAE if MR
Best views for assessing MVP
2D:
Use PLA and A4C
Find annulus and draw a mental line across the annulus. If >2mm past line then MVP
Thickened valvular or sub-valvular apparatus (redundant)
Best views for assessing MVP
Color Flow
Color Flow can reveal location and extent of MR. MR jet usually eccentric
Doppler
Doppler to assess degree of MR using CW/PW
Other Characteristics
Can involve one or both leaflets
MR may or may not result from MvP
TV prolapsed occurs up to 50%