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Obstructive Pulmonary Diseases - COPD and Chronic Bronchitis

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Feb 27 2021, 6:09 pm

So if chronic bronchitis can't be defined morphologicaly/hystologicaly, then when epithelium of bronchii developes squamous cell metaplasia, the diagnosis becomes COPD?



Oct 29 2019, 7:09 pm

Why you said it is squammous dysplasia, it should be squammous metaplasia.



Oct 02 2020, 6:26 pm


We will discuss the foundational concepts that lead to the obstructive pulmonary diseases. Following topics are discussed:

  • Diseases that are classified as obstructive pulmonary diseases.
  • Anatomical and physiological functions.
  • Airway structure.
  • Parts of the airway that are involved in chronic obstructive pulmonary diseases (COPD)
  • Pathology of chronic bronchitis.
  • Pathology of emphysema.
  • Pathology of bronchiolitis.
  • Definition of chronic bronchitis and emphysema.
  • COPD vs. Asthma
  • How smoke and pollutants cause damage to large and small airways.
  • Immune system and obstructive diseases.
  • Protease and anti-protease imbalance. We will discuss acquired and genetic deficiencies of protease inhibitors, for example, alpha-1 antitrypsin.
  • Oxidant and anti-oxidant imbalance.

In this video we will learn about:

1. Airway structures. 

2. Obstructive pathology. 

3. Chronic obstructive pulmonary disease. 

4. COPD vs. Asthma

5. Pathogenesis of chronic bronchitis and emphysema. 

Presented by Dr. Mobeen Syed

Following answers are created by ChatGPT. Occasionally the answer may be harmful, incorrect, false, misleading, incomplete, or limited in knowledge of world. Please contact your doctor for all healthcare decisions. Also, double check the answer provided by the AI below.

Author declares no conflict of interest.

In addition to the presenter, following authors who may have helped with the content writing, review, or approval declare no conflict of interest.

  • Dr. Mobeen Syed
  • Dr. Pei Purdom (DNP)
  • Dr. Benish Zahra
  • Dr. Iqra Batool
  • Dr. Heba Alzawahri

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