7 lines (6 with data), 247 Bytes

f114a 0 128 0 10:35:00 15/11/1987
# Start time=10:35
# First beat=10:42:33.617
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.57,  <RR-high-limit(sec)>: 1.062
# Note: reel-to-reel recording, not flutter-compensated