7 lines (6 with data), 251 Bytes

e232b 0 128 0 8:00:00 26/07/1987
# Start time=08:00
# First beat=08:08:37.015
# <age-range>: 45-49, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.64,  <RR-high-limit(sec)>: 1.406
# Note: reel-to-reel recording, not flutter-compensated