Hemoptysis

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In medicine, hemoptysis is "expectoration or spitting of blood originating from any part of the respiratory tract, usually from hemorrhage in the lung parenchyma (pulmonary alveoli) and the bronchial arteries."[1]

Diagnosis

Cancer may underlie hemoptysis, even when the chest x-ray is normal.[2]

References

  1. Anonymous (2015), Hemoptysis (English). Medical Subject Headings. U.S. National Library of Medicine.
  2. Thirumaran M, Sundar R, Sutcliffe IM, Currie DC (2009). "Is investigation of patients with haemoptysis and normal chest radiograph justified?". Thorax 64 (10): 854-6. DOI:10.1136/thx.2008.108795. PMID 19457872. PMC PMC2745556. Research Blogging.