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Diastology:
Atrial Fibrillation

Multiple Positives Indicate Elevated Filling Pressures:
IVRT ≤ 65
Pulmonary Venous D-wave Deceleration Time ≤ 220 msec
Mitral E-wave DcT < 160 msec (only valid with depressed LVEF)
Mitral E-wave to Color VP ratio ≥ 1.4
Septal E/e' ≥ 11
Reduced Beat-to-beat Variations