Ultrasound Modes and Equations

21 Lessons

Principles of Doppler Imaging

Modes of Doppler Imaging: Overview

Pulsed Wave Doppler: Spectral Display

Color Flow Mapping as Doppler

Continuous Wave Doppler

The Continuity Equation

The Modified Bernoulli Equation and Gradients

Calculating Velocity and Gradients Across Valves Using the Bernoulli Equation

Fractional Area of Change (FAC)

Modified Simpson's Equation and Ejection Fraction

Right Ventricular Systolic Pressure and RVSP

Regurgitant Volume

Regurgitant Volume and PISA (Proximal Isovelocity Surface Area)

Shunt Ratio

Underlying Principles of Pressure Half-Time (PHT)

Aortic Regurgitation by Pressure Half-Time (PHT)

Mitral Valve Area by Pressure Half-Time (PHT)

Ultrasound Modes and Equations Review