Laughing Gas Sedation Not Linked To Heart Attacks: Study Nitrous oxide, commonly known as laughing gas, is a widely used inhalation anesthetic agent in the United States. In recent years, questions have been raised concerning its safety - with some studies suggesting that the nitrous oxide anesthesia may raise the risk of a heart attack during and after surgery. But a new study suggests that the nitrous oxide sedation fears may be unfounded.
June 20, 2013 - RTT News