7 lines (6 with data), 252 Bytes

m117a 0 128 0 11:05:00 19/10/1990
# Start time=11:05
# First beat=11:09:27.343
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 1.328
# Note: recording with a timing signal, flutter-compensated