7 lines (6 with data), 248 Bytes

e282a 0 128 0 12:00:00 04/12/1987
# Start time=12:00
# First beat=12:21:03.289
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 0.882
# Note: reel-to-reel recording, not flutter-compensated