Key Points Definition: Progressive PR interval prolongation until one atrial impulse fails to conduct to the ventricles (P wave is non-conducted), after which the cycle repeats. Site of Block: Typically…
A 59-year-old man presents to the emergency department with chest pain and palpitations. The following ECG is obtained on arrival:
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,…