7 lines (6 with data), 252 Bytes

e150b 0 128 0 9:15:00 03/03/1988
# Start time=09:15
# First beat=09:15:00.507
# <age-range>: 75-79, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.492,  <RR-high-limit(sec)>: 0.914
# Note: reel-to-reel recording, not flutter-compensated