This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Changes in the lungs in heart failure

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

In acute heart failure the high pressure in pulmonary veins causes a series of pathological changes in the lungs:

  • interstitial fluid causes stiffening of the lungs and increases the work of breathing
  • oedema of the walls of airways may cause non-asthmatic airways obstruction
  • oedema of alveolar walls may impede gaseous exchange
  • frank fluid in the alveoli results in gross hypoxaemia and lung crepitations

In the well-diuresed patient with chronic heart failure there are no gross changes in lung structure or function. There may be increased fatiguability of respiratory muscles.

Create an account to add page annotations

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.