The Berlin definition, proposed in 2012, breaks with tradition by establishing three risk strata that are based on the degree of hypoxemia as assessed at a minimum positive end-expiratory pressure (PEEP).
The clinical characteristics of normal and adventitious sounds are summarized.
Criteria for Chronic Respiratory Failure due to Cardiopulmonary Disorders in Infants and Children
Decreased inspiratory breath sounds
Increased retractions, use of accessory muscles
Cyanosis breathing room air
Decreased level of normal activity/function
Poor weight gain (mass) (IMPORTANT)
Acute Respiratory Distress Syndrome (ARDS) is a syndrome of inflammation and increased permeability associated with a constellation of clinical, radiologic, and physiologic abnormalities unexplained by elevations in left atrial or pulmonary capillary pressure.