title: Contrast echocardiographic evaluation of changes in flow velocity in the right side of the heart.
mesh_terms: D000328:Adult; D001281:Atrial Fibrillation / Q000175:diagnosis; D001783:Blood Flow Velocity; D001794:Blood Pressure; D004452:Echocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011664:Pulmonary Valve / Q000503:physiopathology*; D012119:Respiration; D014261:Tricuspid Valve / Q000503:physiopathology*