Pulmonary Embolism

Epidemiology

• 62.1 to 112.3 cases per 100,000
• Up to 50% of cases may be undiagnosed
  

Signs and Symptoms



Possible EKG Findings

• Sinus Tachycardia
  
• SIQIII +/- TIII
• RBBB or iRBBB (may be transient)
• Rightward axis
• T-wave inversions, especially in right precordial leads (V1-V3) + inferior leads
• "70% of patients with acute PE had ECG abnormalities, most commonly nonspecific ST-segment and T-wave changes" (UTDOL.com)
  

Reference: Topics in Emergency Medicine 2010. CAN’T MISS ECG FINDINGS. L. THOMAS RICHARDS, MD. UCSF.
Reference: Top Ten (or 11) EKG Killers. Micelle Haydel, MD. LSUHSC New Orleans.
Reference: UTDOL.com