7 lines (6 with data), 253 Bytes

e055b 0 128 0 15:23:00 22/03/1988
# Start time=15:23
# First beat=15:41:36.882
# <age-range>: 50-54, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.773,  <RR-high-limit(sec)>: 1.523
# Note: reel-to-reel recording, not flutter-compensated