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 (2025), 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.
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