7 lines (6 with data), 260 Bytes

m110b 0 128 0 13:55:00 26/06/1991
# Start time=13:55
# First beat=14:03:31.187
# <age-range>: 65-69, <sex>: Female, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 0.968
# Note: recording with a timing signal, flutter-compensated