7 lines (6 with data), 255 Bytes

f152b 0 128 0 8:13:00 10/03/1989
# Start time=08:13
# First beat=08:28:37.078
# <age-range>: 70-74, <sex>: Female, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.828,  <RR-high-limit(sec)>: 1.367
# Note: reel-to-reel recording, not flutter-compensated