<prompt> Nitrous oxide contraindicated on patients with pnumothorax, pneumopericrdium or intestinal obstruction, because itDepressess an already compromised myocariumPermits the use of limited FIO2 onlyIs less soluble than nitrogenCauses the expansion of air filled body cavities  <response>: Refer Goodman Gilman 12e p 547 N2O use is contraindicated in pneumothorax and volvulus because it may lead to development of High pressure in the closed cavities in the body 