7 lines (6 with data), 258 Bytes

m002b 0 128 0 10:52:00 01/08/1991
# Start time=10:52
# First beat=10:52:00.187
# <age-range>: 65-69, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.656,  <RR-high-limit(sec)>: 1.359
# Note: recording with a timing signal, flutter-compensated