7 lines (6 with data), 252 Bytes

e260b 0 128 0 8:30:00 21/07/1987
# Start time=08:30
# First beat=08:59:20.390
# <age-range>: 65-69, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.515,  <RR-high-limit(sec)>: 0.953
# Note: reel-to-reel recording, not flutter-compensated