7 lines (6 with data), 251 Bytes

f058b 0 128 0 10:00:00 30/10/1987
# Start time=10:00
# First beat=10:00:00.875
# <age-range>: 50-54, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 1.14
# Note: reel-to-reel recording, not flutter-compensated