7 lines (6 with data), 248 Bytes

e143a 0 128 0 12:01:00 23/09/1987
# Start time=12:01
# First beat=12:19:00.796
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.601,  <RR-high-limit(sec)>: 1.226
# Note: reel-to-reel recording, not flutter-compensated