7 lines (6 with data), 253 Bytes

e117b 0 128 0 12:37:00 15/03/1988
# Start time=12:37
# First beat=12:42:27.484
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.593,  <RR-high-limit(sec)>: 1.195
# Note: reel-to-reel recording, not flutter-compensated