An Access field property that limits the number of characters that can be typed into a text or number field. Foreign key. A field in one table that is also the primary key of a second table; it is used to create a relationship with that table.
burst pacing. Also found in: Dictionary, Thesaurus, Wikipedia. fast pacing. A term defined in the context of implantable pacemakers for the deliveryâe.g., atrial burst pacingâof rapid, multiple electrical pulses, to pace the heart faster than its intrinsic rate. Fast pacing is used for ventricular tachycardia, to try to break the tachycardia before it progresses to ventricular fibrillation. burst pacing.
asynchronous pacing cardiac pacing in which impulse generation by the pacemaker occurs at a fixed rate, independent of underlying cardiac activity. burst pacing overdrive p. cardiac pacing regulation of the rate of contraction of the heart muscle by an artificial cardiac pacemaker. coupled pacing a variation of paired pacing in which the patient's natural depolarization serves as the first of the two stimuli, with the second induced by an artificial cardiac pacemaker.