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extrapulmonary failure: disorders of the respiratory center, elongated spinal cord, respiratory muscles or their innervation, chest wall disease.lung failure: diseases of the respiratory tract, alveoli, alveolocapillary membrane or pulmonary artery.paO2 6.6 kPa, AaDO2 normal or elevated.typical of acute RI (at least initially).decrease in pO 2, pCO 2 may also decrease due to hyperventilation → respiratory alkalosis.hypoxemic (type I respiratory insufficiency, partial).manifest - decrease of pO 2 and possible increase of pCO 2 even at rest.latent - decrease pO 2 conditioned by effort.
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8 The most common causes of respiratory failure in children.
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