What tests for diagnosis of hyaline membrane disease?

Dx based on pattern: This is conidered a pattern illness.The name hmd came from the hyaline membrane found on microscopic examination of lung tissue from infants with this illness.The DX is considered if a pattern of xray, oxygen need & prematurity make it likely. Antibiotics are often started just in case a pneumonia is acting like hmd. You often know more after you finish rx, not treating can result in disaster.