7 lines (6 with data), 253 Bytes

e064b 0 128 0 10:00:00 26/09/1988
# Start time=10:00
# First beat=10:05:00.812
# <age-range>: 40-44, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.484,  <RR-high-limit(sec)>: 1.164
# Note: reel-to-reel recording, not flutter-compensated