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.
1 Heart failure. 2  In severe tricuspid valve regurgitation, pressure can rise in your right ventricle due to blood flowing backward into the right atrium and less blood flowing forward through the right ventricle and into the lungs. 3  Your right ventricle can expand and weaken over time, leading to heart failure.evere tricuspid valve regurgitation can result in heart failure. If you have signs or symptoms of heart failure â such as feeling easily fatigued or short of breath, even with normal activity â see your doctor.