7 lines (6 with data), 253 Bytes

e058b 0 128 0 10:15:00 25/03/1988
# Start time=10:15
# First beat=10:28:14.117
# <age-range>: 65-69, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.515,  <RR-high-limit(sec)>: 1.031
# Note: reel-to-reel recording, not flutter-compensated