7 lines (6 with data), 256 Bytes

m166b 0 128 0 9:06:00 06/07/1990
# Start time=09:06
# First beat=09:12:11.429
# <age-range>: 60-64, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.46,  <RR-high-limit(sec)>: 0.953
# Note: recording with a timing signal, flutter-compensated