7 lines (6 with data), 248 Bytes

e112a 0 128 0 12:05:00 23/06/1987
# Start time=12:05
# First beat=12:59:41.585
# <age-range>: 75-79, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.507,  <RR-high-limit(sec)>: 1.054
# Note: reel-to-reel recording, not flutter-compensated