Paroxysmal atrial tachycardia may be caused by several different things. The fast rate may be triggered by a premature atrial beat that sends an impulse along an abnormal electrical path to the ventricles.Other causes stem from anxiety, stimulants, overactive thyroid, and in some women, the onset of menstruation.aroxysmal atrial tachycardia may be caused by several different things. The fast rate may be triggered by a premature atrial beat that sends an impulse along an abnormal electrical path to the ventricles.
Definition of mooch for English Language Learners. : to ask for and get things from other people without paying for them or doing anything for them.
Definition of broach. 1  1 : brooch wore a lovely broach on her lapel. 2  2 : any of various pointed or tapered tools, implements, or parts: such asa : a spit for roasting meatb : a tool for tapping casksc : a cutting tool for removing material from metal or plastic to shape an outside surface or a hole.