7 lines (6 with data), 252 Bytes

e172a 0 128 0 11:00:00 29/12/1987
# Start time=11:00
# First beat=11:01:13.890
# <age-range>: 75-79, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.679,  <RR-high-limit(sec)>: 1.281
# Note: recording with a timing signal, flutter-compensated