7 lines (6 with data), 252 Bytes

e057b 0 128 0 9:00:00 22/03/1988
# Start time=09:00
# First beat=09:19:03.507
# <age-range>: 60-64, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 0.859
# Note: reel-to-reel recording, not flutter-compensated