7 lines (6 with data), 248 Bytes

e042a 0 128 0 15:20:00 11/01/1988
# Start time=15:20
# First beat=15:40:13.234
# <age-range>: 60-64, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.289,  <RR-high-limit(sec)>: 1.039
# Note: reel-to-reel recording, not flutter-compensated