7 lines (6 with data), 253 Bytes

e104b 0 128 0 20:00:00 10/10/1987
# Start time=20:00
# First beat=20:16:04.265
# <age-range>: 70-74, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.578,  <RR-high-limit(sec)>: 0.984
# Note: reel-to-reel recording, not flutter-compensated