Haemoptysis after breath-hold diving

Pulmonary oedema has been described in swimmers and self-contained underwat er breathing apparatus (Scuba) divers, This study reports three cases of ha emoptysis secondary to alveolar haemorrhage in breath-hold divers, Contribu tory factors, such as haemodynamic modifications secondary to immersion, co ld exposure, exercise and exposure to an increase in ambient pressure, coul d explain this type of accident. Furthermore, these divers had taken aspiri n, which may have aggravated the bleeding.