9 lines (8 with data), 414 Bytes

e166b 0 125.44 0 10:37:00 09/07/1988
# Start time=10:37
# First beat=10:39:24.773
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.796,  <RR-high-limit(sec)>: 1.679
# 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)