7 lines (6 with data), 251 Bytes

e211a 0 128 0 14:16:00 22/08/1988
# Start time=14:16
# First beat=14:24:20.710
# <age-range>: 40-44, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.57,  <RR-high-limit(sec)>: 1.234
# Note: recording with a timing signal, flutter-compensated