7 lines (6 with data), 252 Bytes

f037a 0 128 0 10:01:00 24/12/1987
# Start time=10:01
# First beat=10:09:14.101
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.484,  <RR-high-limit(sec)>: 1.187
# Note: recording with a timing signal, flutter-compensated