What Are the Causes of Plural Effluents?

A visible effusionl be present if there's greater in 300 ccs of fluid there. This is usually the patient in an upright position. If they're in a supine position, yor knockin, i usil to see this. And alvays ly, yu'll see some fluod in the fiasures of the lung as well. When altra sound, you'll see some fluid in the plural space and loss of instantory sliding. So what are causes of ploral effusion? Tt, and what can potentially lead topation eaven and paai? The three things he need to remember for the abstso increased permability of the plora