haemoptysis
/hi:'mɔptisis/
Học thuậtThân thiện
Definition
- Noun:
- The act of coughing up blood or blood-stained sputum from the respiratory tract (the bronchi, trachea, or lungs): Haemoptysis is a medical symptom, not a disease itself, and typically indicates an underlying condition affecting the lungs or airways.
Usage
- Haemoptysis is a clinical sign that requires medical evaluation. It is used in medical contexts to describe a symptom reported by a patient or observed by a clinician.
- It is often quantified (e.g., mild, massive) to help determine the severity and potential cause.
Examples
- Noun:
- The patient was admitted to the emergency department due to haemoptysis.
- Persistent haemoptysis can be a sign of tuberculosis or lung cancer.
- The doctor noted the history of haemoptysis in the patient's chart.
Advanced Usage
- "Massive haemoptysis": A life-threatening medical emergency defined as coughing up a large volume of blood (e.g., >200-600 mL in 24 hours) which can obstruct the airways.
- The team prepared for a bronchoscopy to manage the massive haemoptysis.
- "Pseudo-haemoptysis": Coughing up blood that originates from a source other than the lower respiratory tract, such as the nose or gastrointestinal tract.
- The epistaxis (nosebleed) was initially mistaken for haemoptysis.
Variants and Related Words
- Hemoptysis (noun): The American English spelling of . Both spellings are correct and used interchangeably in medical literature.
- The textbook listed "hemoptysis" as a key symptom.
- Expectoration of blood: A more descriptive, non-technical phrase for coughing up blood.
Synonyms
- Coughing up blood: The direct, non-technical synonym.
- Bloody sputum: Refers specifically to the mucus/phlegm that is coughed up containing blood.
Related Medical Terms (Not Phrasal Verbs)
- Haemoptysis vs. Haematemesis: A crucial distinction. means vomiting blood from the gastrointestinal tract, while refers to blood from the respiratory tract.
- Differentiating between haemoptysis and haematemesis is essential for correct diagnosis.
Noun
- coughing up blood from the respiratory tract; usually indicates a severe infection of the bronchi or lungs