The rn went to inflate the balloon on the swan to obtain a paop (wedge) pressure as per routine.Normally the waveform changes.The waveform did not change.The rn tried to allow the balloon to passively deflate as per routine.No air came back into the syringe.The nurse was appropriately alarmed, and realized that meant the air had escaped the balloon and was in the patient's pulmonary artery.The rn alerted the cardiology fellow who agreed that the balloon was likely ruptured, and they discontinued the swan-ganz catheter.The patient was asymptomatic despite 1.5 cc air bolus into his pulmonary artery.Upon inspection after removal, the balloon on the catheter did have a tiny hole in it.
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