The patient is a 78-year-old man who says he has felt dizzy for several hours. He denies chest pain, shortness of breath, or diaphoresis. Upon exam, you find: General: Alert and oriented; breathing comfortably Lungs: Clear bilaterally Cardiovascular: RRR without m/r/g Abdomen: Soft and nontender, no pulsatile mass Extremities: No pain or swelling, pulses normal and equal in all 4 extremities Review the ECG and consider what your diagnosis and next steps would be. …
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