7 lines (6 with data), 253 Bytes

e034b 0 128 0 10:30:00 09/11/1987
# Start time=10:30
# First beat=10:45:15.453
# <age-range>: 70-74, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 1.398
# Note: reel-to-reel recording, not flutter-compensated