7 lines (6 with data), 253 Bytes

e135b 0 128 0 14:30:00 11/07/1988
# Start time=14:30
# First beat=14:55:46.234
# <age-range>: 70-74, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.617,  <RR-high-limit(sec)>: 1.078
# Note: reel-to-reel recording, not flutter-compensated