7 lines (6 with data), 248 Bytes

e061a 0 128 0 15:15:00 21/07/1987
# Start time=15:15
# First beat=15:23:42.921
# <age-range>: 30-34, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.531,  <RR-high-limit(sec)>: 1.382
# Note: reel-to-reel recording, not flutter-compensated