7 lines (6 with data), 259 Bytes

e176b 0 128 0 10:25:00 19/02/1989
# Start time=10:25
# First beat=10:25:02.890
# <age-range>: 65-69, <sex>: Female, <medication>: Encainide
# <RR-low-limit(sec)>: 0.585,  <RR-high-limit(sec)>: 1.179
# Note: recording with a timing signal, flutter-compensated