Pulmonary oedema

**Definition:** Pulmonary oedema is a condition caused by excess fluid in the lungs. This fluid collects in the numerous air sacs in the lungs, making it difficult to breathe.

**Inclusions:** - Acute pulmonary oedema - Chronic pulmonary oedema

**Exclusions:** - Pulmonary oedema due to chemicals, gases, fumes or vapours - Pulmonary oedema with mention of heart disease NOS or heart failure