7 lines (6 with data), 255 Bytes

e115b 0 128 0 10:00:00 11/03/1988
# Start time=10:00
# First beat=10:20:11.359
# <age-range>: 60-64, <sex>: Female, <medication>: Encainide
# <RR-low-limit(sec)>: 0.546,  <RR-high-limit(sec)>: 0.992
# Note: reel-to-reel recording, not flutter-compensated