7 lines (6 with data), 257 Bytes

m005b 0 128 0 14:15:00 27/02/1990
# Start time=14:15
# First beat=14:23:07.617
# <age-range>: 60-64, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.726,  <RR-high-limit(sec)>: 1.32
# Note: recording with a timing signal, flutter-compensated