Ostrow , 1981 . The bubble of air hinders the pumping of the heart , reducing the output to the pulmonary vasculature . The large bubble becomes smaller ones and blocks the pulmonary arterioles . The flow of blood into the body from the heart becomes obstructed . Cyanosis occurs followed by syncope and the patient collapses . The central venous line which involves the use of a large needle allows large air bubbles to enter if care is not taken . The emergency procedure includes putting the...











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