7 lines (6 with data), 251 Bytes

e212b 0 128 0 9:00:00 07/12/1987
# Start time=09:00
# First beat=09:20:31.007
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.742,  <RR-high-limit(sec)>: 1.14
# Note: reel-to-reel recording, not flutter-compensated