A 56-year-old woman presents to the emergency department (ED) after falling from her bicycle. She has severe pain in her left wrist, and an x-ray demonstrates a fracture. While waiting for a cast, she is noted to have episodes of a rapid heart rate, and a 12-lead ECG is obtained (Figure 1).
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Cite this: ECG Challenge: An Unexpectedly Rapid Heart Rate in the Emergency Department - Medscape - Jun 29, 2019.