A key process in surfactant secretion is exocytosis of LB, and there have been several ultrastructural observations of lamellar material passing from AT II cells into alveoli (reviewed in ref.
In one general practice sample, costochondritis, also known as costosternal syndrome and anterior chest wall syndrome, was the most common specific cause of anterior musculoskeletal chest pain, with a prevalence of 13%.
â¢ Myocarditis, inflammation of the heart wall; can also cause chest pain that may be mistaken for chest wall pain. â¢Psychogenic - unexplained chest pain and hyperventilation; inability to recall past episodes. â¢Pleurisy- inflammation of the lining of the lung- may cause chest wall pain.