7 lines (6 with data), 252 Bytes

e216b 0 128 0 8:45:00 20/02/1988
# Start time=08:45
# First beat=08:56:54.390
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.726,  <RR-high-limit(sec)>: 1.304
# Note: reel-to-reel recording, not flutter-compensated