Mitral Stenosis

Question 1

Severe classification for MS

Answer 1

MVA < 1.5
Diastolic PHT > 150
PASP > 30

Question 2

Very severe classification

Answer 2

MVA <= 1
Diastolic PHT > 220
PASP > 30

Question 3

MV area measures

Answer 3

Planimetry
PHT
Continuity Equation

Question 4

PHT MVA

Answer 4

MVA = 220 / PHT

Question 5

PHT unreliable and shortened in

Answer 5

Immediately after PMBV
Severe AR
Decreased LV compliance
Degenerative MS

Question 6

Elevated mean gradient in

Answer 6

Severe MR

High output state

Question 7

Continuity equation for area

Answer 7

MVA = stroke volume / mitral VTI

Question 8

Don’t use continuity equation in

Answer 8

AF

Significant MR or AR

Question 9

Wilkins score

Answer 9

For MS

Mobility, thickening, calcification, subvalvular thickening

Question 10

Stress echo indication for MR

Answer 10

Symptoms without significant gradient at rest

Question 11

Severe MS stress echo

Answer 11

MG > 15 exercise
MG > 18 dobutamine
RVSP > 60 exercise

Question 12

Progress MS follow up

Answer 12

3-5 years

Question 13

Severe MS follow up

Answer 13

1-2 years MVA 1-1.5

1 year MVA <1

Question 14

Factors for predicting outcome of balloon valvuloplasty

Answer 14

Valve calcification
Valve thickening
Leaflet mobility
Subvalvular thickening