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:
Key Point ECG Interpretation Caution: The ECG computer interpretation is often unreliable, especially when irregular rhythms or non-conducted P waves are present. It frequently misinterprets irregular rhythms as atrial fibrillation….