The initial part of the ECG shows a regular rhythm at a rate of 140 beats/min, with an abrupt slowing to rates ranging from 50 to 68 beats/min. All of the QRS complexes are identical, with a normal ...
There is regular rhythm at a rate of 42 beats/min. The first five QRS complexes are wide (0.14 sec), and no P waves are seen before or after these QRS complexes; however there appears to be a P wave ...
2. Short PR interval and delta waves consistent with Wolff-Parkinson-White (WPW) syndrome Explanation: Wolff-Parkinson-White syndrome occurs when a person is born with an "accessory pathway" that can ...
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