In the ED, adenosine is used to terminate supraventricular tachycardias (SVTs). It is also used by cardiologists for pharmacologic stress testing. Paroxysmal SVT has a prevalence of around 2.25 per ...

Adenosine is a purine present normally in the body. This molecule however has several physiological and pharmacological roles to play in functioning of the normal body as well as in some diseased ...

This ECG is challenging. The rhythm starts as normal sinus rhythm with a right bundle branch block, then a wide-complex tachycardia develops in a left bundle branch block pattern. The important thing ...

It’s easy to confuse atrial fibrillation (AFib) with what’s called supraventricular tachycardia (SVT). After all, both have to do with your heart rate and both start in the upper chambers of your ...

Tachycardia is when your heart beats faster than normal, even when you’re not doing anything. Junctional tachycardia is a form of supraventricular tachycardia, a type of racing pulse caused by a ...