7 lines (6 with data), 251 Bytes

e259b 0 128 0 9:15:00 12/02/1989
# Start time=09:15
# First beat=09:24:05.929
# <age-range>: 65-69, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.64,  <RR-high-limit(sec)>: 1.351
# Note: reel-to-reel recording, not flutter-compensated