In Pulmonary edema pulmonary capillary wedge pressure is ?

PCWP is considered to be gold standard in assesing pulmonary edema.Positive if greater than 20 mm Hg Cardiac pulmonary edema Systolic HF Diastolic HF Valvular hea disease cardiomyopathy Drugs (chemotherapy) Pericardial disease Non-cardiac pulmonary edema : Head trauma Sudden airway obstruction Toxic drugs Blood transfusion Contrast injection Air emboli Septic shock Aspiration Epilepsy PCWP is impoant for differential diagnosis PCWP <18mmHg noncardiac PCWP>18mmHg cardiac proBNP high in cardiac pulmonary edema Ref : HarrisonS 20th edition pg 1545