7 lines (6 with data), 251 Bytes

e177b 0 128 0 10:15:00 05/05/1989
# Start time=10:15
# First beat=10:15:00.921
# <age-range>: 40-44, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: NA,  <RR-high-limit(sec)>: NA
# Note: recording with a timing signal, flutter-compensated