7 lines (6 with data), 253 Bytes

e088b 0 128 0 10:10:00 12/09/1988
# Start time=10:10
# First beat=10:22:41.289
# <age-range>: 60-64, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 0.875
# Note: reel-to-reel recording, not flutter-compensated