6. Valvular Heart Disease 1/6

Exercise Stress Echo (Pulmonary pressure)

dPmax = 64 mmHg dPmax = 110

mmHg

Rest Peak

6. Valvular Heart Disease 2/6

Exercise Stress Echo (Mitral Regurgitation)

Aliasing velocity = 38.4 cm/s PISA radius = 0.5cm Peak MR velocity = 500cm/sVTI MR = 175cm

ERO = 2 x 0.92 x 38.4 / 570 = 0.12cm2

Regurgitant volume = 175 x 0.12 = 21ml

Aliasing velocity = 38.4 cm/s PISA radius = 0.9cm Peak MR velocity = 570cm/sVTI MR = 195cm

ERO = 2 x 0.92 x 38.4 / 570 = 0.34cm2

Regurgitant volume = 195 x 0.34 = 66ml

Rest Peak

6. Valvular Heart Disease 3/6

Dobutamine Stress Echo (True Aortic Stenosis)

REST

Peak V = 3.5 m/s

Mean P = 32 mmHg

AVA = 0.7 cm2

DOBUTAMINE

Peak V = 4.9 m/s

Mean P = 56 mmHg

AVA = 0.7 cm2

6. Valvular Heart Disease 4/6

Dobutamine Stress Echo (Aortic Pseudostenosis)

REST

Peak V = 3.5 m/s

Mean P = 32 mmHg

AVA = 0.7 cm2

DOBUTAMINE

Peak V = 4.0 m/s

Mean P = 36 mmHg

AVA = 1.1 cm2

6. Valvular Heart Disease 5/6

Mitral stenosis

peak

2D Color MV CW TR CW

rest

6. Valvular Heart Disease 6/6

peak

2D Color MV CW TR CW

rest dPmean=4mmHg

dPmean=9mmHg

dP=36mmHg

dP=64mmHg

Mitral stenosis