A 50-year-old woman on ICU is being treated for supraventricular tachycardia. She is given IV adenosine. Which statement best describes the pharmacokinetics of IV adenosine?AIt has a half-life of approximately 30 minutes and is metabolised hepaticallyBIt has an ultra-short half-life of less than 10 seconds and is metabolised by red blood cell adenosine deaminase and endothelial cell uptakeCIt has a half-life of 4 hours and is renally excreted unchangedDIt requires dose adjustment in hepatic impairmentEIts effects are prolonged by caffeine and theophyllineCheck my answer