7 lines (6 with data), 253 Bytes

e018b 0 128 0 14:34:00 20/06/1988
# Start time=14:34
# First beat=14:45:14.273
# <age-range>: 75-79, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.687,  <RR-high-limit(sec)>: 1.367
# Note: reel-to-reel recording, not flutter-compensated