7 lines (6 with data), 252 Bytes

e140a 0 128 0 10:30:00 24/11/1988
# Start time=10:30
# First beat=10:37:32.968
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.429,  <RR-high-limit(sec)>: 1.054
# Note: recording with a timing signal, flutter-compensated