7 lines (6 with data), 253 Bytes

f069b 0 128 0 10:00:00 12/07/1987
# Start time=10:00
# First beat=10:08:36.531
# <age-range>: 40-44, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.64,  <RR-high-limit(sec)>: 1.328
# Note: reel-to-reel recording, not flutter-compensated