Category Archives: Echocardiography

AV interval optimization in CRT

Posted on January 27, 2012 by Johnson Francis | Permalink Comments Off

The aim of AV (atrioventricular) interval optimization in CRT (cardiac resynchronization therapy or biventricular pacing) is to prevent too early or too late atrial contraction. Too late an [..]

Echocardiography, Electrophysiology

Left ventricular cardiac tamponade

Posted on December 26, 2011 by Johnson Francis | Permalink Comments Off

Usual manifestation of cardiac tamponade on echocardiography is diastolic collapse of right atrium and right ventricle. This is because right sided chambers can be compressed with much lower [..]

Echocardiography

Intracardiac echocardiography (ICE)

Posted on November 28, 2011 by Johnson Francis | Permalink Comments Off

Intracardiac echocardiography allows excellent resolution images because high frequency transduceres can be used in close proximity toe the structures being images. High frequency signals, though providing high resolution, [..]

Echocardiography

Carpentier nomenclature of mitral leaflet scallops

Posted on October 29, 2011 by Johnson Francis | Permalink Comments Off

Carpentier nomenclature of mitral leaflet scallops is important in assessing the mitral leaflets while planning echo. The scallops can be identified well by trans esophageal echocardiography, preferably in [..]

Echocardiography

Tachycardia mediated atrial cardiomyopathy and left atrial appendage velocity

Posted on October 23, 2011 by Johnson Francis | Permalink Comments Off

Tachycardia mediated atrial cardiomyopathy is the term sometimes used to denote atrial mechanical stunning after reversion of persistent atrial arrhythmias like atrial fibrillation or atrial flutter to sinus [..]

Echocardiography, Electrophysiology