7 lines (6 with data), 253 Bytes

e244b 0 128 0 10:41:00 07/09/1988
# Start time=10:41
# First beat=10:47:20.796
# <age-range>: 60-64, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.593,  <RR-high-limit(sec)>: 1.179
# Note: reel-to-reel recording, not flutter-compensated