7 lines (6 with data), 253 Bytes

f025b 0 128 0 9:00:00 21/11/1987
# Start time=09:00
# First beat=09:21:05.093
# <age-range>: 40-44, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.468,  <RR-high-limit(sec)>: 1.023
# Note: reel-to-reel recording, not flutter-compensated