7 lines (6 with data), 253 Bytes

f190b 0 128 0 9:50:00 29/04/1988
# Start time=09:50
# First beat=11:00:31.578
# <age-range>: 60-64, <sex>: Male, <medication>: Flecainide
# <RR-low-limit(sec)>: 0.523,  <RR-high-limit(sec)>: 0.914
# Note: reel-to-reel recording, not flutter-compensated