Key Points ECG Interpretation Caveats: Computerized ECG interpretations are frequently unreliable in irregular rhythms or with non-conducted P waves. Misdiagnoses like atrial fibrillation are common—always manually verify. Differential Diagnosis Considerations:…
A 70-year-old woman presents to the emergency department with lightheadedness and dizziness that is worse with standing. The following ECG is obtained:
A 49-year-old man presents to the emergency department after an episode of syncope. The following ECG is obtained: