7 lines (6 with data), 252 Bytes

e233b 0 128 0 9:15:00 31/07/1987
# Start time=09:15
# First beat=09:19:18.492
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.515,  <RR-high-limit(sec)>: 1.156
# Note: reel-to-reel recording, not flutter-compensated