7 lines (6 with data), 258 Bytes

f137b 0 128 0 14:50:00 10/03/1988
# Start time=14:50
# First beat=14:57:32.328
# <age-range>: 60-64, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 0.921
# Note: recording with a timing signal, flutter-compensated