7 lines (6 with data), 252 Bytes

f112b 0 128 0 17:00:00 23/04/1988
# Start time=17:00
# First beat=17:03:40.906
# <age-range>: 40-44, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: NA,  <RR-high-limit(sec)>: NA
# Note: recording with a timing signal, flutter-compensated