7 lines (6 with data), 257 Bytes

e267b 0 128 0 16:35:00 24/03/1988
# Start time=16:35
# First beat=16:38:58.500
# <age-range>: 65-69, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.609,  <RR-high-limit(sec)>: 0.921
# Note: recording with a timing signal, flutter-compensated