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  • Sputum: Definition, colors, causes, and when to see a doctor
    Sputum is a type of thick mucus produced by the lungs This article explains the types of sputum, what causes changes, and when to speak with a doctor
  • Mucus: Phlegm, Causes, Colors How To Get Rid Of It
    It lines your mucous membranes and helps trap and destroy or clear out germs and harmful particles Mucus gets thick and sticky and might be white, yellow or green when you have an infection It’s also called phlegm, snot or sputum Mucus is usually thin and clear
  • Sputum: Causes, Colors, Symptoms, and What It Means (2026)
    Learn what sputum is, why you cough it up, what different colors mean, and when it may signal a respiratory infection or lung problem
  • Sputum - Wikipedia
    Sputum is mucus that is coughed up from the lower airways (the trachea and bronchi) It is commonly referred to as "phlegm" In medicine, sputum samples are usually used for a naked-eye examination, microbiological investigation of respiratory infections, and cytological investigations of respiratory system
  • Blood-Tinged Sputum: Causes, Diagnosis, Treatments More
    Sputum is a mixture of saliva and mucus Sometimes you may cough up blood-tinged sputum Learn about causes (like bronchitis), prevention, and more
  • Understanding Mucus in Your Lungs - American Lung Association
    Mucus in the lungs is known as phlegm or sputum It is a common symptom in chronic lung diseases such as COPD (including chronic bronchitis and emphysema), cystic fibrosis, bronchiectasis, NTM lung disease or asthma
  • Sputum Culture: Purpose, Procedure, and Results Interpretation
    Sputum culture is a diagnostic test that involves collecting and analyzing a sample of sputum, which is the mucus and other materials that are coughed up from the lungs The test is used to identify the presence of bacteria, fungi, or other microorganisms that may be causing a respiratory infection
  • Understanding Sputum and What the Different Colors Mean
    Sputum is a mix of cells, foreign matter, and white blood cells produced in the respiratory tract An increased amount of sputum is often due to increased respiratory inflammation and is the body's attempt to protect and heal damage to the airways
  • How to Induce Sputum: Procedure, Equipment Safety
    Sputum induction uses inhaled saline mist to draw water into your airways, loosening mucus deep in your lungs so you can cough up a sample for laboratory testing The procedure typically takes 15 to 20 minutes and has a success rate of about 97% when performed with hypertonic saline concentrations up to 6% It is most commonly used to diagnose conditions like tuberculosis, pneumonia, and
  • Steps to Getting a Good Sputum Sample - CDC Stacks
    Steps to Getting a Good Sputum Sample: Go to the sputum collection area you are directed to by the study nurse This area should be outside or in a special area with negative air flow (meaning the air flows out of the room you are in) Relax Take a few deep breaths while pressing your hand lightly on your stomach





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