Retrograde catheterization of left heart cavities in dogs by means of an orientable directional Doppler catheter-tip flowmeter: a preliminary report.
D000818:Animals; D001013:Aorta, Thoracic; D001783:Blood Flow Velocity; D006328:Cardiac Catheterization; D004285:Dogs; D005263:Femoral Artery; D011667:Pulmonary Veins; D014463:Ultrasonography