7 lines (6 with data), 251 Bytes

e234b 0 128 0 13:30:00 24/05/1988
# Start time=13:30
# First beat=13:30:00.351
# <age-range>: 55-59, <sex>: Female, <medication>: Encainide
# <RR-low-limit(sec)>: 0.585,  <RR-high-limit(sec)>: 1
# Note: reel-to-reel recording, not flutter-compensated