atrial synchronous

atrial synchronous

VAT Cardiac pacing adjective Referring to a dual-chamber pacemaker which senses atrial activity and paces only in the ventricle; the rate of ventricular stimulation is directly synchronized to sensed atrial activity. See Pacemaker.
References in periodicals archive ?
The InSync system is an atrial synchronous biventricular pacing device that has two ventricular ports and one atrial port.
A comparison of sympathoadrenal activity and cardiac performance at rest and during exercise in patients with ventricular demand or atrial synchronous pacing.