7 lines (6 with data), 252 Bytes

e152a 0 128 0 12:45:00 29/01/1988
# Start time=12:45
# First beat=12:50:47.929
# <age-range>: 35-39, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.445,  <RR-high-limit(sec)>: 1.109
# Note: recording with a timing signal, flutter-compensated