7 lines (6 with data), 246 Bytes

e101a 0 128 0 10:45:00 23/08/1988
# Start time=10:45
# First beat=11:05:11.851
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 1.156
# Note: reel-to-reel recording, not flutter-compensated