7 lines (6 with data), 254 Bytes

m019b 0 128 0 14:00:00 13/04/1991
# Start time=14:00
# First beat=14:03:54.656
# <age-range>: 70-74, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.656,  <RR-high-limit(sec)>: 1.554
# Note: reel-to-reel recording, not flutter-compensated