7 lines (6 with data), 257 Bytes

m184b 0 128 0 8:20:00 30/04/1990
# Start time=08:20
# First beat=08:20:00.062
# <age-range>: 70-74, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.437,  <RR-high-limit(sec)>: 0.828
# Note: recording with a timing signal, flutter-compensated