7 lines (6 with data), 256 Bytes

m051b 0 128 0 13:16:00 25/04/1991
# Start time=13:16
# First beat=13:40:53.820
# <age-range>: 65-69, <sex>: Female, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.515,  <RR-high-limit(sec)>: 0.992
# Note: reel-to-reel recording, not flutter-compensated