7 lines (6 with data), 247 Bytes

e154a 0 128 0 10:06:00 03/09/1987
# Start time=10:06
# First beat=10:26:19.695
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.64,  <RR-high-limit(sec)>: 1.398
# Note: reel-to-reel recording, not flutter-compensated