,FINDINGS: , The patient is a DDD mode base rate of 60, max tracking rate of 110 beats per minute, atrial lead is set at 2.5 volts with a pulse width of 0.5 msec, ventricular lead set at 2.5 volts with a pulse width of 0.5 msec. 
,FINDINGS : , The patient is a DDD mode base rate of 60 , max tracking rate of 110 beats per minute , atrial lead is set at 2.5 volts with a pulse width of 0.5 msec , ventricular lead set at 2.5 volts with a pulse width of 0.5 msec .