7 lines (6 with data), 253 Bytes

e220b 0 128 0 11:49:00 03/08/1988
# Start time=11:49
# First beat=11:57:33.171
# <age-range>: 45-49, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 0.898
# Note: reel-to-reel recording, not flutter-compensated