7 lines (6 with data), 248 Bytes

f133a 0 128 0 10:55:00 11/06/1987
# Start time=10:55
# First beat=10:55:00.601
# <age-range>: 55-59, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.578,  <RR-high-limit(sec)>: 1.296
# Note: reel-to-reel recording, not flutter-compensated