7 lines (6 with data), 258 Bytes

f090b 0 128 0 11:30:00 21/08/1988
# Start time=11:30
# First beat=11:38:39.289
# <age-range>: 45-49, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 1.156
# Note: recording with a timing signal, flutter-compensated