7 lines (6 with data), 248 Bytes

e136a 0 128 0 12:15:00 21/10/1988
# Start time=12:15
# First beat=12:28:08.937
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.585,  <RR-high-limit(sec)>: 1.218
# Note: reel-to-reel recording, not flutter-compensated