7 lines (6 with data), 251 Bytes

e124a 0 128 0 9:28:00 04/09/1988
# Start time=09:28
# First beat=09:28:00.382
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 0.867
# Note: recording with a timing signal, flutter-compensated