7 lines (6 with data), 251 Bytes

e033a 0 128 0 9:45:00 20/04/1988
# Start time=09:45
# First beat=09:53:16.273
# <age-range>: 35-39, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.476,  <RR-high-limit(sec)>: 0.851
# Note: recording with a timing signal, flutter-compensated