Complete the following ECG criteria for a sinus tachycardia:
Rhythm ________________________________________
Rate ________________________________________
P waves ________________________________________
PR interval ________________________________________
QRS duration ________________________________________
Fill in the blanks with correct word
Rhythm P-P interval regular, R-R interval regular.
Rate 101 to 180 beats/min.
P waves Positive (upright) in lead II, one precedes each QRS complex, P waves look alike; at very fast rates, it may be hard to tell the difference between a P wave from a T wave.
PR interval 0.12 to 0.20 seconds (may shorten with faster rates) and constant from beat to beat.
QRS duration 0.11 seconds or less unless abnormally conducted.
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