1. Exercise Stress Echo (Pulmonary pressure)
Rest
Peak
dPmax = 64 mmHg
dPmax = 110 mmHg

2. Exercise Stress Echo (Mitral Regurgitation)
Rest
Peak
Aliasing velocity = 38.4 cm/s
PISA radius = 0.5cm
Peak MR velocity = 500cm/s
VTI 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/s
VTI MR = 195cm
ERO = 2 x 0.92 x 38.4 / 570 = 0.34cm2
Regurgitant volume = 195 x 0.34 = 66ml

3. 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

4. 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

5. Mitral stenosis
MV CW
TR CW 2D
Color
rest
peak

6. Mitral stenosis 2D Color MV CW TR CW rest peak dPmean=4mmHg dP=36mmHg