A 59-year-old man presents to the emergency department with chest pain and palpitations. The following ECG is obtained on arrival:
Key Points Definition: Progressive lengthening of the PR interval until one atrial impulse fails to conduct to the ventricles (a dropped QRS complex). Site of Block: Typically within the AV…
A 50-year-old man is brought to the emergency department after successful resuscitation from a witnessed cardiac arrest. EMS was initially called to the scene for chest pain. While on scene,…