7 lines (6 with data), 258 Bytes

f127b 0 128 0 8:46:00 09/03/1989
# Start time=08:46
# First beat=08:51:11.687
# <age-range>: 60-64, <sex>: Female, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.46,  <RR-high-limit(sec)>: 0.843
# Note: recording with a timing signal, flutter-compensated