7 lines (6 with data), 254 Bytes

m003b 0 128 0 11:00:00 15/07/1990
# Start time=11:00
# First beat=11:27:11.179
# <age-range>: 70-74, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.544,  <RR-high-limit(sec)>: 0.828
# Note: reel-to-reel recording, not flutter-compensated