No, it is notParoxysmal tachycardia gives you the ability to watch the ``coming and going`` of tachycardia.Unsustained tachycardia has little to no change in rhythm rate.
A supraventricular tachycardia is tachycardia (heart rate > 100) that originates above the AV node, in the atria. There are several different forms of supraventricular tachycardia, including sinus...
In any case where there is uncertainty always assume that the rhytm is v tach. One reason is that sustained v tach may be stable for a while , but tends to deteriorate into ventricular fibrillation...
