7 lines (6 with data), 247 Bytes

e161a 0 128 0 8:00:00 09/07/1988
# Start time=08:00
# First beat=08:26:14.875
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 1.101
# Note: reel-to-reel recording, not flutter-compensated