An 83-year-old female with past medical history of congestive heart failure and atrial fibrillation presents to urgent care with confusion and syncope. She reports intermittent dizziness, but denies chest pain or shortness of breath. There is no evidence of trauma on exam. View the ECG taken and consider what your diagnosis and next steps would be. Resolution of the case is described on the next page. (Case presented by Jonathan Giordano, DO, MEd, McGovern …
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