7 lines (6 with data), 252 Bytes

e221b 0 128 0 12:00:00 23/08/1987
# Start time=12:00
# First beat=12:08:35.164
# <age-range>: 35-39, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 1.14
# Note: reel-to-reel recording, not flutter-compensated