7 lines (6 with data), 259 Bytes

f103b 0 128 0 9:45:00 07/02/1988
# Start time=09:45
# First beat=09:50:12.656
# <age-range>: 75-79, <sex>: Female, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.625,  <RR-high-limit(sec)>: 1.164
# Note: recording with a timing signal, flutter-compensated