7 lines (6 with data), 248 Bytes

f043a 0 128 0 11:45:00 08/09/1987
# Start time=11:45
# First beat=11:50:11.546
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.679,  <RR-high-limit(sec)>: 1.273
# Note: reel-to-reel recording, not flutter-compensated