7 lines (6 with data), 248 Bytes

e073a 0 128 0 11:50:00 30/04/1988
# Start time=11:50
# First beat=12:11:35.406
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.359,  <RR-high-limit(sec)>: 0.968
# Note: reel-to-reel recording, not flutter-compensated