7 lines (6 with data), 258 Bytes

m117b 0 128 0 12:05:00 29/11/1990
# Start time=12:05
# First beat=12:09:47.273
# <age-range>: 65-69, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.507,  <RR-high-limit(sec)>: 1.046
# Note: recording with a timing signal, flutter-compensated