7 lines (6 with data), 248 Bytes

m196a 0 128 0 14:45:00 22/10/1989
# Start time=14:45
# First beat=14:48:21.398
# <age-range>: 60-64, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 1.164
# Note: reel-to-reel recording, not flutter-compensated