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CHEST AND LUNG DISEASES

DISEASES OF CHEST AND LUNGS-CLASSIFICATION                 

A.DISEASES OF LUNGS

  •      OBSTRUCTIVE DISEASES
  •      RESTRICTIVE DISEASES
  •      NFECTIOUS DISEASES

 

B. DISEASES OF CHEST WALL

C. DISEASES OF MEDIASTNUM

D.DISEASES OF DIAPHRAGM

                                 

 WHAT IS OBSTRUCTIVE LUNG DISEASES?

      

What is Obstructive Lung Disease?

Obstructive lung disease is characterised by the spasm of smooth musles lining the minor respiratory tract by internal or external allergens or toxins. This may inflame the lining membrane chronically leading to chronic bronchitis or entrapment of air leading to emphyema. This is otherwise called, copd or chronic obstructive pulmonary disease. There is difficulty for air for entering or exiting the lung, that is why it is called obstructive lung disease.

WHAT IS RESTRICTIVE LUNG DISEASE ?

In this spectrum of diseases ,lung has difficulty in expanding and that is why this name.

WHAT CAUSES OBSTRUCTIVE LUNG DISEASES?

It is the allergens or the toxins from either outside or inside the body.

WHAT CAUSES RESTRICTIVE LUNG DISEASES ?

A.Intrisic causes

  1. Interstitial lung diseases
  2. Pulmonary fibrosis
  3. Sarcoidosis
  4. Pneumoconiosis

B.Extrinsic causes

  •      Pleural effusion
  •     Obesity
  •     Myesthenia gravis
  •     Neuro-muscular diseases.

WHAT ARE THE SYMTOMS OF OBSTRUCTIVE LUNG DISEASES ?

  •     Shortness of Breath
  •     Chronic Cough
  •     Wheezing
  •     Fatigue
  •     Excessive Mucus Production
  •     Sleep Apnea
  •     Chest Tightness
  •     Frequent Respiratory Infections

What is Obstructive Lung Disease?

WHAT ARE THE SYMTOMS OF RESTRICTIVE LUNG DISEASES?

  • Shortness of breath
  • chronic cogh
  • white sputum

Restrictive Lung Disease: Facts You Need to Know

 WHAT ARE THE COMMON INFECTIONS OF LUNGS ?

  • Bronchiectasis
  • LUNG ABCESS
  • EMPYEMA

    WHAT IS BRONCHIECTASIS?

    Bronchiectasis means,dilatation of bronchi due to chronic inflamation,tuberculosis or from birth. This dilated bronchi become chronic source of stagnation and infection. 

    CT scan of a patient with bronchiectasis. Note tha
    CT scan of a patient with bronchiectasis. 
     

    WHAT IS LUNG ABCESS?

    Lung abcess is a situation where pus collects in the parenchyma of lung secondary to conditions like,suppurative pneumonia, foreign body, aspiration pneumonia,cavity formation as a sequele to tuberculous destruction. 

    Lateral chest radiograph of a newborn with a left
    Lateral chest radiograph of a newborn with a left lower-lobe lung abscess. 
     
    Chest radiograph that reveals a lung abscess, a co
     
    Chest radiograph that reveals a lung abscess. 
     
    CT scan reveals a lung abscess with an air-fluid l
    CT scan reveals a lung abscess with an air-fluid 
     
    WHAT IS EMPYEMA?
     
    Empyema is collection of pus in the pleural space between lungs and chest wall. This may be result of external injury, rupture of lung abcess,etc