7 lines (6 with data), 247 Bytes

e233a 0 128 0 11:20:00 24/07/1987
# Start time=11:20
# First beat=11:38:53.171
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.562,  <RR-high-limit(sec)>: 1.14
# Note: reel-to-reel recording, not flutter-compensated