7 lines (6 with data), 252 Bytes

m193b 0 128 0 9:42:00 11/07/1991
# Start time=09:42
# First beat=09:46:46.679
# <age-range>: 60-64, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.57,  <RR-high-limit(sec)>: 1.164
# Note: reel-to-reel recording, not flutter-compensated