7 lines (6 with data), 248 Bytes

e230a 0 128 0 11:27:00 11/10/1987
# Start time=11:27
# First beat=11:59:32.554
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.601,  <RR-high-limit(sec)>: 1.257
# Note: reel-to-reel recording, not flutter-compensated