Question 1

A 58-year-old male presents with neck and jaw pain. He was seen at a different hospital the day before for similar symptoms.

He discloses a history of atherosclerotic disease, coronary artery dissection, and cervical radiculopathy. He also informs staff that he has a pacemaker due to second-degree (Mobitz Type II) heart block.

An ECG is taken in triage, which is shown below:

What is shown on this ECG?