7 lines (6 with data), 248 Bytes

f187a 0 128 0 11:35:00 16/11/1987
# Start time=11:35
# First beat=12:17:59.257
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.679,  <RR-high-limit(sec)>: 1.226
# Note: reel-to-reel recording, not flutter-compensated