7 lines (6 with data), 253 Bytes

e235b 0 128 0 15:34:00 01/08/1988
# Start time=15:34
# First beat=16:20:41.796
# <age-range>: 65-69, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 0.976
# Note: reel-to-reel recording, not flutter-compensated