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.
Top definition. knotting. Just before a dog cums the centre of it's penile shaft expands out. So the cum doesn't leak out. Women into bestiality take great pride in being able to take the knot. by tarzan August 02, 2003.