7 lines (6 with data), 257 Bytes

e239b 0 128 0 10:50:00 16/11/1987
# Start time=10:50
# First beat=10:53:42.289
# <age-range>: 50-54, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.531,  <RR-high-limit(sec)>: 1.195
# Note: recording with a timing signal, flutter-compensated