Key Points Definition: A severe form of second-degree AV block with two or more consecutive non‑conducted P waves (for example 3:1, 4:1). Do not force a Mobitz label when multiple…
A 51-year-old man presents to the emergency department via EMS with nausea, vomiting, weakness, severe bradycardia (HR in the 20s), and hypotension (BP 60s systolic). 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:
A 78-year-old woman presents to the emergency department after an episode of syncope. The following ECG is obtained: