7 lines (6 with data), 257 Bytes

f220b 0 128 0 8:15:00 24/02/1989
# Start time=08:15
# First beat=08:16:32.867
# <age-range>: 65-69, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.546,  <RR-high-limit(sec)>: 1.406
# Note: recording with a timing signal, flutter-compensated