7 lines (6 with data), 248 Bytes

f221a 0 128 0 14:10:00 05/10/1988
# Start time=14:10
# First beat=15:14:29.695
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.546,  <RR-high-limit(sec)>: 1.156
# Note: reel-to-reel recording, not flutter-compensated