Previous Next Module N: Echocardiographic Equations 13 Lessons Module N: Echocardiographic Equations - Overview Velocity Stroke Volume Ejection Fraction: Modified Simpson's calculation Fractional Area Change Fractional Shortening Right Ventricular Systolic Pressure / Systolic Pulmonary Artery Pressure Shunt Ratio Gradient: the Modified Bernoulli Equation dP/dt PISA: Proximal Isovelocity Surface Area Pressure Half Time Continuity Equation Vena Contracta Module N: Echocardiographic Equations Back to: TTE for the Sonographer