7 lines (6 with data), 251 Bytes

e142b 0 128 0 10:30:00 02/02/1988
# Start time=10:30
# First beat=10:30:00.242
# <age-range>: 45-49, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.5,  <RR-high-limit(sec)>: 1.031
# Note: reel-to-reel recording, not flutter-compensated