Palpitations with exertion

Figure A. Stress test

The episode was at peak exertion after a long game. He felt light-headed with the symptoms.

He says he has experienced a few similar episodes over the preceding few months.

The patient went on to have a 12-lead ECG, which was normal.

A Bruce protocol stress test to 11:50 minutes was also normal, and at a heart rate of 177 beats per minute (Figure 1, A), failed to reveal the cause