7 lines (6 with data), 251 Bytes

e006a 0 128 0 7:45:00 01/01/1989
# Start time=07:45
# First beat=07:53:54.140
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.507,  <RR-high-limit(sec)>: 1.062
# Note: recording with a timing signal, flutter-compensated