7 lines (6 with data), 251 Bytes

e243a 0 128 0 11:49:00 04/10/1987
# Start time=11:49
# First beat=11:57:16.679
# <age-range>: 65-69, <sex>: Male, <medication>: None
# <RR-low-limit(sec)>: 0.57,  <RR-high-limit(sec)>: 0.906
# Note: recording with a timing signal, flutter-compensated