IMPRESSION:
PA and lateral chest compared to :
 
 Atrioventricular pacer leads from the left axillary pacemaker are continuous
 to standard locations.  Lungs clear.  Heart size normal.  No pleural effusion,
 pneumothorax or mediastinal widening.  Thoracic aorta is generally large, and
 at least mildly calcified, but not fully assessed by this study.