7 lines (6 with data), 248 Bytes

f073a 0 128 0 14:15:00 23/08/1988
# Start time=14:15
# First beat=14:22:18.562
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.406,  <RR-high-limit(sec)>: 0.835
# Note: reel-to-reel recording, not flutter-compensated