7 lines (6 with data), 254 Bytes

f213b 0 128 0 13:00:00 07/06/1988
# Start time=13:00
# First beat=13:00:00.335
# <age-range>: 65-69, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 0.953
# Note: reel-to-reel recording, not flutter-compensated