Exertional Shortness of Breath
The patient is a 70-year-old male with a history of diabetes mellitus type I, hypertension, hyperlipidemia, anemia, paroxysmal atrial fibrillation, and s/p atrial flutter ablation 6 months ago. He presents with dyspnea on exertion, pedal edema, and weight gain.
An electrocardiogram (ECG) (Figure 1) is performed.
The ECG shows which of the following?