9 lines (8 with data), 407 Bytes

e166a 0 125.44 0 9:27:00 21/03/1988
# Start time=09:27
# First beat=09:28:48.757
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.664,  <RR-high-limit(sec)>: 1.64
# Note: reel-to-reel recording, not flutter-compensated;
#       time rescaled to fit the recording speed (1.47mm/s) from the scanning
#       speed (1.50mm/s) (i.e., sampling-rate adjusted to 125.44Hz from 128Hz)