7 lines (6 with data), 248 Bytes

f179a 0 128 0 14:00:00 14/07/1987
# Start time=14:00
# First beat=14:08:03.773
# <age-range>: 70-74, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.531,  <RR-high-limit(sec)>: 1.671
# Note: reel-to-reel recording, not flutter-compensated