7 lines (6 with data), 252 Bytes

e127b 0 128 0 16:03:00 28/05/1988
# Start time=16:03
# First beat=16:10:36.507
# <age-range>: 50-54, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.453,  <RR-high-limit(sec)>: 1.39
# Note: reel-to-reel recording, not flutter-compensated