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 short-acting endogenous molecule that is a purine nucleoside. The half-life is 6 seconds. Adenosine receptor activation results in multiple different actions depending on the location.

The vasopressor phenylephrine (Neo-Synephrine) is indicated for paroxysmal supraventricular tachycardia (PSVT). Have there been any studies comparing phenylephrine with adenosine? —Manuel A. Fonseca, ...

R. Wayne Alexander, M.D., Ph.D., F.A.C.C., Peter C. Block, M.D., F.A.C.C. If it's a distinct entity, the mechanism of reperfusion injury has not been completely ...

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 ...

Overview: Adenosine is a chemical that is naturally found in your body. It is also available over the counter as a dietary supplement, often as adenosine triphosphate (ATP). These supplements are used ...

Adenosine kinase is an important enzyme that regulates both the intracellular and extracellular concentrations of adenosine. The inhibition of this enzyme has numerous clinical applications ranging ...