A 60-year-old man presents to the emergency department with generalized weakness and intermittent palpitations. Vital signs are normal on arrival. The following ECG is obtained during an episode of palpitations:
A 48-year-old woman is brought into the emergency department with fever and altered mental status. The following ECG is obtained on arrival:
A 48-year-old male is brought in after being found unresponsive on the street. History is otherwise limited. The patient is afebrile and mildly bradycardic with a normal blood pressure. The…