7 lines (6 with data), 254 Bytes

f042b 0 128 0 14:08:00 08/12/1988
# Start time=14:08
# First beat=14:39:44.765
# <age-range>: 60-64, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.492,  <RR-high-limit(sec)>: 1.148
# Note: reel-to-reel recording, not flutter-compensated