21. The House has proposed slashing Medicare payments for home oxygen therapy services by 20 percent. 22. The cut in home oxygen therapy payments is subject to change, the congressional aides said. 23. Oxygen therapy has joined these realms in recent years.24. The Royal Adelaide Hospital is the only provider of hyperbaric oxygen therapy in South Australia. 25. Oxygen therapy is often necessary in severe respiratory disease ( emphysema and pulmonary fibrosis ).26. Venturi masks are considered high-flow oxygen therapy devices. 27. Hyperbaric oxygen therapy is performed in hyperbaric chamber. 28. If DCS is contracted, it is usually treated by hyperbaric oxygen therapy in a recompression chamber. 29. Oxygen therapy is commonplace for hospitalized d-TGA patients.30. The efficiency of artificial respiration can be greatly increased by the simultaneous use of oxygen therapy .