7 lines (6 with data), 253 Bytes

m032b 0 128 0 9:45:00 15/09/1989
# Start time=09:45
# First beat=10:09:50.531
# <age-range>: 60-64, <sex>: Male, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.617,  <RR-high-limit(sec)>: 1.406
# Note: reel-to-reel recording, not flutter-compensated