7 lines (6 with data), 252 Bytes

f176a 0 128 0 10:32:00 28/12/1987
# Start time=10:32
# First beat=10:40:03.367
# <age-range>: 40-44, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.546,  <RR-high-limit(sec)>: 1.257
# Note: recording with a timing signal, flutter-compensated