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.
Your tricuspid valve is the valve that separates your right atrium and right ventricle. TR occurs when this valve does not properly close, causing blood to flow back up into the right atrium when the right ventricle contracts.Over time, this condition can weaken your heart.ight Ventricle Dilation. The most common cause of tricuspid regurgitation is right ventricle dilation. The right ventricle (which is the lower right-hand chamber) is responsible for pumping blood from your heart to your lungs.