7 lines (6 with data), 252 Bytes

e163a 0 128 0 10:12:00 13/09/1988
# Start time=10:12
# First beat=10:12:01.343
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.492,  <RR-high-limit(sec)>: 0.929
# Note: recording with a timing signal, flutter-compensated