punt-blau-titols Diagnostic tests

Lung Function Tests


What is it?

It is a test that measures lung capacity.

When is it recommended?

  • It is recommended in smokers over 40 years of age to rule out obstructive pulmonary disease.
  • In patients known to assess response to bronchodilator lung disease.
  • It is useful to evaluate the patient’s response to bronchodilator therapy.
  • It can be used as part of the preoperative assessment.
  • It is also indicates in patients with respiratory symptoms such as coughing, fatigue, breathlessness on exertion.
  • Diagnosis of bronchial asthma, emphysema, chronic bronchitis.

How is it done?

The patient blows on a nozzle. The machine produces curves that show pulmonary ventilatory capacity.