7 lines (6 with data), 248 Bytes

f190a 0 128 0 13:25:00 31/03/1988
# Start time=13:25
# First beat=13:31:50.304
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.515,  <RR-high-limit(sec)>: 1.023
# Note: reel-to-reel recording, not flutter-compensated