7 lines (6 with data), 252 Bytes

e254a 0 128 0 12:00:00 27/09/1987
# Start time=12:00
# First beat=12:01:32.046
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.554,  <RR-high-limit(sec)>: 1.382
# Note: recording with a timing signal, flutter-compensated