Fentanyl is a potent opiate commonly administered in the cath lab. Recently, questions on its safety have been raised by research demonstrating that intravenous morphine significantly delays the absorption of oral P2Y12 platelet inhibitors. The mechanism might be slowed gastric emptying. The Platelet Aggregation with tiCagrelor Inhibition and FentanYl (PACIFY) trial enrolled 212 patients undergoing indicated…