Mitral Flashcards
Echo criteria for at risk Mitral Stenosis
Normal trans mitral flow velocity
Mitral Stenosis - Progressive MS
ECHO findings
Flow velocities - increased
MVA: > 1.5m2
Diastolic pressure half time: < 150ms
Left atrium: mild to moderate enlargement
PA pressures: normal at rest
Progressive MS
Flow velocities
Flow velocities - increased
Progressive mitral Stenosis
MVA
MVA: > 1.5m2
Progressive mitral stenosis
Diastolic pressure half time
Diastolic pressure half time: < 150ms
Progressive mitral stenosis
Left atrium
Mild to moderate LA enlargement
Progressive mitral stenosis
PAs
Normal PA pressure at rest
Echo findings
Mitral Stenosis - Severe
MVA: =< 1.5m2
Diastolic pressure half time: >=150ms2
Left atrium: severe LA enlargement
PAs: > 30mmHg
Severe Mitral Stenosis
MVA
MVA: =< 1.5m2
Severe Mitral Stenosis
Diastolic pressure half time
Diastolic pressure half time: >=150ms2
Severe Mitral Stenosis
Left Atrium
Left atrium: severe LA enlargement
Severe Mitral Stenosis
PAs ?
PAs: > 30mmHg
Very Severe Mitral Stenosis
MVA
< 1.0 cm2
Very Severe Mitral Stenosis
diastolic pressure halftime
> 220 ms
Echo findings for at Risk for MR
jet: no MR or small jet < 20% LA on doppler
Vena Contracta: < 0.3 cm
Echo findings of Progressive MR:
jet: central: 20-40% of LA; eccentric: late systolic
VC: < 0.7
Regurg vol: < 60ml
Regurg fract < 50%
ERO: < 0.4cm 2
Angio : +1-2
LA: mild enlargement
LV: no enlargement
PA: Normal PA pressure
Echo finding for progressive MR
jet
jet:
- central: 20-40% of LA
- eccentric: late systolic
ECHO findings for
Progressive MR - VC
VC: < 0.7cm
ECHO findings of
Progressive MR - regurgitant volume
< 60ml
ECHO findings of
Progressive MR
Regurgitant volume
< 50%
ECHO findings of
Progressive MR
ERO
ERO < 0.4 cm2
Progressive MR
Angiographic
Angiographic grade 1-2+
ECHO findings of
Progressive MR
LA
Mild LA enlargement
Progressive Mitral regurgitation
ECHO findings - LV
No enlargement