7 lines (6 with data), 248 Bytes

e219a 0 128 0 15:26:00 04/08/1988
# Start time=15:26
# First beat=15:33:54.179
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.492,  <RR-high-limit(sec)>: 1.148
# Note: reel-to-reel recording, not flutter-compensated