elevated PCWP wedge pressure distinguishes group 2 from groups 1, 3, 4 pulmonary hypertension
- related: pulmonary hypertension
- tags: #permanent
- source: Murray and Nadel Textbook of Respiratory Medicine
pulmonary hypertension is defined by elevated mean pulmonary artery pressure on right heart catheterization. Patients with elevated PCWP belong to group 2 (left heart disease) or group 5 (mixed or unclear), different from other groups that generally have decreased PCWP.