7 lines (6 with data), 252 Bytes

e188b 0 128 0 13:30:00 20/04/1989
# Start time=13:30
# First beat=13:58:51.648
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.75,  <RR-high-limit(sec)>: 1.359
# Note: reel-to-reel recording, not flutter-compensated