7 lines (6 with data), 252 Bytes

e120b 0 128 0 9:00:00 04/09/1988
# Start time=09:00
# First beat=09:11:19.968
# <age-range>: 50-54, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 1.257
# Note: reel-to-reel recording, not flutter-compensated