7 lines (6 with data), 251 Bytes

e178b 0 128 0 15:45:00 21/10/1987
# Start time=15:45
# First beat=15:48:06.531
# <age-range>: 45-49, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: NA,  <RR-high-limit(sec)>: NA
# Note: recording with a timing signal, flutter-compensated