10/31/2023 0 Comments Ecg changes in peAs a result, it is left mechanically stunned. The sudden pressure overload on the RV also causes increased wall stress.McConnell’s sign is one of the most distinct echocardiographic findings in patients with acute pulmonary embolism. McConnell’s Sign or Acute regional RV Dysfunction Pulmonary embolism → Increased pulmonary resistance → Increased RV afterload → RV Dilatation/Dysfunction → Decreased RV cardiac output → Decreased LV preload → Decreased LV output → Hypotension Depending on the size of PE, this can result in right ventricular failure.Reduced cardiac output leads to reduction in LV output and ultimately hypotension. ![]()
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