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.
1 If they are only your friends to take advantage of you, it is probably better that you break your friendships with them. 2  But be sure that you really want to end your friendship because it's hard to undo. 3  Be clear that you like the person's company and personality, but do not like a particular behavior.ow to Deal With a Mooching Friend. We've all experienced a moocher-someone who conveniently forgets their wallet at home every time you go out to dinner, loses anything you loan them, and always manages to get out of their share of a chore.