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Changes in pressure, velocity, and volume during different grades of diastolic dysfunction diagram of left ventricle (LV)-left atrial (LA) pressure tracing (top), mitral inflow velocity (middle) and mitral annulus velocity (bottom) of normal and grade 1 to grade 3 diastolic dysfunction. Tricuspid regurgitation and LA volume index values of each category in general are shown at the bottom (with permission from The Echo Manual, 4th edition, Oh et al.)
