7 lines (6 with data), 250 Bytes

f061a 0 128 0 14:41:00 01/08/1987
# Start time=14:41
# First beat=14:55:06.625
# <age-range>: 60-64, <sex>: Female, <medication>: None
# <RR-low-limit(sec)>: 0.671,  <RR-high-limit(sec)>: 1.085
# Note: reel-to-reel recording, not flutter-compensated