7 lines (6 with data), 242 Bytes

f055a 0 128 0 15:30:00 17/05/1988
# Start time=15:30
# First beat=15:42:57.226
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 1
# Note: reel-to-reel recording, not flutter-compensated