7 lines (6 with data), 253 Bytes

e031b 0 128 0 12:35:00 16/06/1988
# Start time=12:35
# First beat=12:35:00.335
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.648,  <RR-high-limit(sec)>: 1.234
# Note: reel-to-reel recording, not flutter-compensated