7 lines (6 with data), 254 Bytes

f056b 0 128 0 20:00:00 15/11/1988
# Start time=20:00
# First beat=20:30:37.578
# <age-range>: 45-49, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.632,  <RR-high-limit(sec)>: 1.648
# Note: reel-to-reel recording, not flutter-compensated