McConnell sign

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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.