A 72-year-old woman is brought into the emergency department by family for confusion. She has a history of abdominal hernia repair with subsequent complications, including an exploratory laparotomy for an…
A 45-year-old male presents to the ED with palpitations and is found to be markedly tachycardic. The following ECG is obtained:
A 70-year-old male presents to the ED with generalized weakness and dizziness. He is suspected to be in atrial fibrillation with a heart rate of ~ 150 bpm. He is…