7 lines (6 with data), 252 Bytes

e248b 0 128 0 9:02:00 05/07/1988
# Start time=09:02
# First beat=09:02:00.039
# <age-range>: 60-64, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 1.273
# Note: reel-to-reel recording, not flutter-compensated