Paroxysmal Supraventricular Tachycardia
( PSVT )

نقره لتكبير أو تصغير الصورة ونقرتين لعرض الصورة في صفحة مستقلة بحجمها الطبيعي




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