7 lines (6 with data), 259 Bytes

m075b 0 128 0 9:29:00 29/03/1988
# Start time=09:29
# First beat=09:31:49.085
# <age-range>: 55-59, <sex>: Female, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 1.085
# Note: recording with a timing signal, flutter-compensated