If the patient is found to have an air embolism during the infusion, the position taken is different depending on the symptoms manifested. If there is an acute cerebral embolism, it is all based on the lying position, or the use of the head-low-feet-height position to promote the return of blood to the brain, which will help the brain blood flow. In the case of myocardial infarction or pulmonary embolism, according to the patient’s symptoms to determine, if breathing difficulties can be taken to the semi-sitting position, severe respiratory difficulties can also be taken directly to the sitting position, and through the inhalation of oxygen, or even non-invasive ventilator or tracheal intubation to assist in breathing.