MEDizzy - An 80-year-old man had an ECG taken at his local doctor’s

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THE HEART (II)

An 80-year-old man had an ECG taken at his local doctor’s office, and the diagnosis was atrial fibrillation. Which condition is likely in someone with atrial fibrillation?

ExplanationA person with atrial fibrillation has a rapid, irregular heart rate. The P waves are missing or are very weak. The atria exhibit circus movements, and atrial volume is often increased, causing atrial fibrillation.