Paroxysmal Supraventricular Tachycardia
( PSVT )
Rate : 150 - 250 bpm
Rhythm : Regular
P- waves : Frequently buried in preceding
T-waves and difficult to see
PR Interval : Usually not possible to measure
QRS : Normal ... 0.06 - 0.10 sec , but
may be wide if abnormally conducted
through ventricles
& PSVT is a rapid rhythm that starts
stops suddenly
For accurate interpretation , the beginning
or end of PSVT must be seen
PSVT is sometimes called
Paroxysmal Atrial Tachycardia
(PAT)
The patient suffering of PSVT may feel
palpitations , dizziness , lightheadedness
or anxiety
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