7 lines (6 with data), 247 Bytes

f174a 0 128 0 8:11:00 22/10/1987
# Start time=08:11
# First beat=08:34:08.750
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.468,  <RR-high-limit(sec)>: 0.773
# Note: reel-to-reel recording, not flutter-compensated