Key Points Definition: Blocked premature atrial complexes (PACs) are early ectopic atrial impulses not conducted to the ventricles, resulting in a visible P wave without a subsequent QRS complex. They…
A 80-year-old woman is referred to the emergency department for suspected rapid atrial fibrillation. The following ECG is obtained on arrival:
A 72-year-old female presents to the ED with dyspnea. The following ECG is obtained:
A 78-year-old female presents to the ED with lightheadedness and bradycardia. The following ECG is obtained:
A 95-year-old female presents to the ED with vomiting and abdominal discomfort. The following ECG is obtained: