7 lines (6 with data), 246 Bytes

e010a 0 128 0 15:15:00 08/07/1988
# Start time=15:15
# First beat=15:32:31.171
# <age-range>: 45-49, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 1.5
# Note: reel-to-reel recording, not flutter-compensated