ECG of the Month: This Can Be as Easy as 1-2-3 (JACC: Case Reports)

Editor's Note: This ECG of the Month was adapted from a JACC: Case Reports ECG Challenge. You can access the original article here.

A 66-year-old African-American woman with a 10-year history of sarcoidosis and hypertension presented with progressively worsening exertional dyspnea and fatigue for the past month (Figure 1).

Figure 1: Diagnostic Electrocardiogram

Figure 1

Which clinical diagnosis is most closely represented in this electrocardiogram?

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