7 lines (6 with data), 252 Bytes

e139b 0 128 0 10:21:00 19/09/1987
# Start time=10:21
# First beat=10:27:29.406
# <age-range>: 55-59, <sex>: Male, <medication>: Encainide
# <RR-low-limit(sec)>: 0.64,  <RR-high-limit(sec)>: 1.312
# Note: reel-to-reel recording, not flutter-compensated