7 lines (6 with data), 248 Bytes

e151a 0 128 0 13:00:00 01/07/1987
# Start time=13:00
# First beat=13:00:00.828
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.757,  <RR-high-limit(sec)>: 1.585
# Note: reel-to-reel recording, not flutter-compensated