7 lines (6 with data), 248 Bytes

e208a 0 128 0 12:10:00 19/07/1987
# Start time=12:10
# First beat=13:51:09.070
# <age-range>: 50-54, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.726,  <RR-high-limit(sec)>: 1.429
# Note: reel-to-reel recording, not flutter-compensated