Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
McConnell sign
Introduction
Overview
Overview
The McConnell sign is defined by the presence of akinesia of the mid-free wall but normal apical motion of the right ventricle on echocardiography. The sensitivity and specificity of the McConnell sign for the diagnosis of acute pulmonary embolism are 77% and 94% respectively.[1]
McConnell Sign
McConnell Sign
Shown below is an echocardiogram that demonstrates McConnell sign. {{#ev:youtube|Tklaxe-kPrk}}
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]