7 lines (6 with data), 248 Bytes

f226a 0 128 0 16:25:00 21/07/1988
# Start time=16:25
# First beat=16:25:00.351
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.507,  <RR-high-limit(sec)>: 0.929
# Note: reel-to-reel recording, not flutter-compensated