7 lines (6 with data), 253 Bytes

e156b 0 128 0 13:45:00 01/12/1988
# Start time=13:45
# First beat=14:45:38.390
# <age-range>: 60-64, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.523,  <RR-high-limit(sec)>: 0.765
# Note: reel-to-reel recording, not flutter-compensated