Performing Echocardiographic Examinations

Principles of echocardiographic examinations In small children, it is possible to perform the entire transthoracic echocardiography (TTE) with the child in the supine position. This…

Proximal Isovelocity Surface Area (PISA)

Hemodynamic calculations with PISA (Proximal Isovelocity Surface Area) PISA (Proximal Isovelocity Surface Area) is a phenomenon that occurs when liquid flows through a circular orifice.…

Hemodynamic principles and calculations

Calculation of hemodynamic parameters by ultrasound Hemodynamics is the study of blood flow dynamics. The physical laws that govern blood flow are fundamental in echocardiography.…

Artifacts in ultrasound imaging

Ultrasound artifacts The following artifacts are common in ultrasound imaging: The ultrasound image displays non-existing structures. The ultrasound image does not display existing structures. The…

Tissue Doppler (Tissue Velocity Imaging)

Tissue Doppler (Tissue Velocity Imaging) Previous chapters on Doppler imaging have all focused on measurements of blood flow. However, the Doppler effect can also be…

Color Doppler

Color Doppler Velocities recorded in a sample volume of the pulsed wave Doppler can be presented with a color. A color scale from blue to…

Join our newsletter and get a free ECG Pocket Guide

ECG pocket guide
Subscription Form