Complete the following ECG criteria for Wolff-Parkinson-White (WPW) syndrome:
Rhythm __________________________
Rate __________________________
P waves __________________________
PR interval __________________________
QRS duration __________________________
Fill in the blanks with correct word
Rhythm Regular, unless associated with atrial fibrillation.
Rate Usually 60 to 100 beats/min, if the underlying rhythm is sinus in origin.
P waves Normal and positive in lead II unless WPW is associated with atrial fibrillation.
PR interval If P waves are observed, less than 0.12 seconds.
QRS duration Usually greater than 0.12 seconds; slurred upstroke of the QRS complex (delta wave) possibly seen in one or more leads.
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