place him in a semi-sitting position, suction his mouth and nose, apply a continuous positive airway pressure (CPAP) device, and transport to the closest emergency department

suction his mouth and nose, apply high-flow oxygen, monitor the patient's breath sounds for a pneumothorax, and contact medical control regarding transport to a recompression facility

suction his mouth and nose, keep him supine and elevate his legs to prevent air bubbles from entering his brain, administer high-flow oxygen, and transport to a hyperbaric chamber

position him supine with his head elevated 30°, suction his mouth and nose, hyperventilate him with a bag-valve mask, and contact medical control for further guidanc

You respond to a local lake where a diver complains of difficulty breathing that occurred immediately after rapidly ascending from a depth of approximately 30 feet. On assessment, you note that he has cyanosis around his lips and has pink froth coming from his nose and mouth. You should: