7 lines (6 with data), 258 Bytes

m109b 0 128 0 10:51:00 06/11/1990
# Start time=10:51
# First beat=10:56:52.242
# <age-range>: 65-69, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.445,  <RR-high-limit(sec)>: 0.804
# Note: recording with a timing signal, flutter-compensated