7 lines (6 with data), 254 Bytes

m029b 0 128 0 10:00:00 30/10/1989
# Start time=10:00
# First beat=10:06:00.007
# <age-range>: 65-69, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.656,  <RR-high-limit(sec)>: 1.132
# Note: reel-to-reel recording, not flutter-compensated