7 lines (6 with data), 251 Bytes

e218a 0 128 0 8:00:00 28/03/1988
# Start time=08:00
# First beat=08:06:57.117
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.562,  <RR-high-limit(sec)>: 0.835
# Note: recording with a timing signal, flutter-compensated