7 lines (6 with data), 246 Bytes

e185a 0 128 0 9:31:00 08/07/1987
# Start time=09:31
# First beat=09:33:08.015
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.609,  <RR-high-limit(sec)>: 1.25
# Note: reel-to-reel recording, not flutter-compensated