Acute Respiratory Distress Syndrome

ACUTE RESPIRATORY DISTRESS SYNDROME

Lung injury

Relapse of vasoactive substance

Increase permeability of  the alveolar membrane

Altered ventilation perfusion

Damage to the alveolar  epithelium (type II)

Decrease surfactant production

regeneration of the alveolar  membrane with thick epithelial cells

The respiratory system resembles an upside-down, hollow tree. Indeed, the passageways leading from the mouth to the interior of the lungs are referred to as the tracheobronchial tree. The parts of the body through which air enters and exits the body (i.e., the mouth, nose, larynx, and trachea) make up the "trunk" of the tree. The tubes that lead to the lungs (bronchi) and the tiny tubes inside the lungs (bronchioles) are the tree's "branches" and "twigs." Air moves through the respiratory system from the base of the trunk to the tips of the twigs. Clustered at the tips of the trachiobronchial twigs are tiny air sacs called alveoli , where inhaled oxygen passes into the blood stream. This is where acute respiratory distress syndrome (ARDS) occurs.

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