Pulmonary Vein Flow

	S1	S2	D	S/D	Ar
Atrial Fibrillation	Absent	Blunted	Increased	Decreased	Absent
Abnormal Relaxation			DT increases	Increases	Increases
Pseudonormal		Blunted	Increased velocity	Decreases	>35cm/s
Restrictive		Blunted	Increased	Decreases	Increased
Severe MR		Blunted (left) or reversed (right)	Increased
Mitral stenosis		Decreased	Decreased		Decreased