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Paroxysmal supraventricular tachycardia (PSVT) is a common arrhythmia that, although usually benign, can occur unpredictably, cause disabling symptoms and significantly impair quality of life. If spontaneous resolution does not occur, the only current self-treatment is for the patient to attempt vagal maneuvers, however, these are frequently unsuccessful. Hospital attendance is then required for intravenous therapy. Etripamil, an intranasal calcium channel blocker similar to verapamil, may be able to fill this therapeutic gap, allowing rapid self-treatment of PSVT at home. This narrative review discusses the latest evidence for etripamil and its potential role in future clinical practice.
Calvert et al. (Sat,) studied this question.