7 lines (6 with data), 254 Bytes

f154a 0 128 0 11:11:00 10/10/1987
# Start time=11:11
# First beat=11:11:00.093
# <age-range>: 70-74, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.757,  <RR-high-limit(sec)>: 1.382
# Note: recording with a timing signal, flutter-compensated