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Pulmonary Function Tests


We offer Pulmonary Function Tests (PFTs), which are non-invasive diagnostic tests used to measure how much air your lungs can hold and the flow of air in and out of your lungs. They can also measure the amount of gases exchanged across the membrane between your alveolar wall and capillary membrane. Ultimately, PFTs diagnose various restrictive and obstructive pulmonary diseases and measure responsiveness to bronchodilators. A valuable screening tool for lung function, a PFT is also particularly useful as a preoperative screening measure. Those with lung difficulties may have trouble coming out of anesthesia. Knowing that a patient has these lung difficulties allows the medical team to prepare, resulting in greater, more personalized patient care.

Risk Factors and Symptoms to Indicate Potential Need for a PFT:

  • History of disease, such as asthma or chronic obstructive pulmonary disease (COPD)
  • History of smoking
  • Shortness of breath
  • Wheezing

Our PFT Lab also offers cardiopulmonary exercise testing on a bicycle ergometer, which is conducted by one of our board-certified pulmonologists and respiratory therapists. This is a computerized test that provides a breath-by-breath analysis of respiratory gas exchange at rest and during a period of exercise. Information on airflow, O2 consumption, CO2 production, heart rate, and electrocardiogram (EKG) are collected and used for computation of other variables. ABG analyses may also be sampled. The results are then interpreted by a pulmonologist.
For more information, please call the PFT Lab at 201-447-8229.

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