Complex sentence: Bretylium (also bretylium tosylate) blocks the release of noradrenaline from the peripheral sympathetic nervous system, and is used in emergency medicine, cardiology, & other specialties for the acute management of ventricular tachycardia & ventricular fibrillation.
Split into simpler sentences: Bretylium (also bretylium tosylate) blocks the release of noradrenaline from the peripheral sympathetic nervous system. It is used in emergency medicine, cardiology, & other specialties for the acute management of ventricular tachycardia & ventricular fibrillation.