7 lines (6 with data), 248 Bytes

f212a 0 128 0 13:47:00 17/11/1988
# Start time=13:47
# First beat=14:06:58.710
# <age-range>: 75-79, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.562,  <RR-high-limit(sec)>: 1.195
# Note: reel-to-reel recording, not flutter-compensated