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McConnell sign

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

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

Shown below is an echocardiogram that demonstrates McConnell sign. {{#ev:youtube|Tklaxe-kPrk}}

References

  1. ↑ McConnell MV, Solomon SD, Rayan ME, Come PC, Goldhaber SZ, Lee RT (1996). “Regional right ventricular dysfunction detected by echocardiography in acute pulmonary embolism”. Am. J. Cardiol. 78 (4): 469–73. PMID 8752195.

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