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A patient presented with chest discomfort and sudden onset of heart palpitations, described as “too rapid to count.” Can you determine the cause of this patient’s abnormal heart rhythm based on this electrocardiogram.
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This patient has Wolff Parkinson White syndrome (WPW syndrome). The etiology of her arrhythmia can be mapped to the slowed, slurred upstroke on the R-wave. This slow depolarization, also known as preexcitation, is manifested on ECG as a delta wave,...
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This patient has Wolff Parkinson White syndrome (WPW syndrome). The etiology of her arrhythmia can be mapped to the slowed, slurred upstroke on the R-wave. This slow depolarization, also known as preexcitation, is manifested on ECG as a delta wave, and is pathognomonic of a bypass-tract mediated reentry tachycardia.
To see more cases like this, visit Figure 1.
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