The untoward medical consequence (or experience) of an unintentional inhalation of oro-pharyngeal or gastric contents into trachea or the lung airways. [from NCI]

Source: GTR (NCBI/NIH)1

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Removal of fluid or tissue through a needle. Also, the accidental breathing in of food or fluid into the lungs.

Source: NCI Cancer Glossary2

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Aspiration: Inspiration of a foreign object into the airway.3

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Aspiration adverse event: A respiratory system adverse event that has an outcome of the drawing of a foreign substance into the respiratory tract during inhalation4


Types may include:5

Types of Aspiration:

  • Aspiration of Breast
  • Diagnostic Aspiration
  • Lumbar Puncture
  • Paracentesis
  • Therapeutic Aspiration
  • Ultrasonic Surgical Aspiration
  • Vacuum Aspiration

Synonyms and Related Terms

Synonyms of Aspiration:

  • Pulmonary aspiration


Category of Aspiration:


Related Symptoms

Read more information about these related symptoms:

Related Diseases and Conditions

Read more information about these diseases and medical conditions related to Aspiration:

Disease Articles

Read more about these related conditions and diseases:

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  1. Source: GTR (NCBI/NIH): gtr/ conditions/ C1963221/ 
  2. Source: NCI Cancer Glossary, National Cancer Institute (NCI), NIH
  3. Source: Human Phenotype Ontology
  4. Source: OAE Ontology
  5. Source: NCI Thesaurus
  6. Source: Human Phenotype Ontology
  7. ibid.
  8. Source: GARD (NIH): diseases/ 3843/ congenital-muscular-dystrophy-type-1a

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