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8. Diagnosing Wolff-Parkinson-White Syndrome

If a doctor suspects Wolff-Parkinson-White syndrome due to symptoms or risk factors, he or she will first perform a thorough physical exam and patient history. Additional tests, including electrocardiogram (ECG), holter monitor tests, and electrophysiology studies, confirm the diagnosis. The presence of delta waves on an ECG readout provide evidence of increased electrical activity in the heart. A holter monitor or portable ECG tracks heart rate and rhythm for 24 hours, providing a snapshot of daily heart activity. In an electrophysiology study, a catheter is threaded through a blood vessel and into the heart to measure electrical activity.

diagnosis ECG heart rate rhythm muratseyit / Getty Images

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