7 lines (6 with data), 253 Bytes

e237b 0 128 0 11:20:00 02/11/1988
# Start time=11:20
# First beat=11:37:08.718
# <age-range>: 65-69, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.531,  <RR-high-limit(sec)>: 0.839
# Note: reel-to-reel recording, not flutter-compensated