7 lines (6 with data), 251 Bytes

e261b 0 128 0 9:28:00 06/01/1989
# Start time=09:28
# First beat=09:30:28.460
# <age-range>: 75-79, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.57,  <RR-high-limit(sec)>: 1.289
# Note: reel-to-reel recording, not flutter-compensated