The symptoms of acute respiratory failure

The symptoms of acute respiratory failure

First, breathing difficulties: the frequency of performance, rhythm and magnitude of the change. Such as the hub of a wave of respiratory failure, intermittent or Chouqi respiration.

Second, cyanosis: O2 is the lack of typical symptoms. When arterial blood oxygen saturation below 85%, the blood flow in the larger lips nail in cyanotic.

Third, the spirit of neurological symptoms: acute respiratory failure symptoms of the spirit of slower to clear, acute shortage of mental disorder can appear O2, manic, coma, convulsions and other symptoms. Acute CO2 retention, pH <7.3, will appear psychiatric symptoms. Serious CO2 retention can occur tendon reflexes weakened or disappeared, pyramidal tract, such as positive sign.

4, symptoms of the circulatory system: a serious lack O2 and CO2 retention caused pulmonary hypertension, heart failure can occur right, with signs of systemic congestion.

5, digestive and urinary symptoms: severe respiratory failure of liver and kidney functions are affected, such as proteinuria, urine and a tube of red blood cells. Gastrointestinal mucosa due to congestion and edema, erosion, bleeding, stress ulcer or upper gastrointestinal bleeding caused.