Respiratory failure pattern | Diagnostic criteria |
---|---|
AHF | Signs and symptoms of heart failure preserved or reduced systolic function of the left ventricle, CXR congestion |
Acute exacerbation of COPD and asthma | History of COPD or asthma, typical findings at lung examination, airflow limitation, not fully reversible in COPD, fully reversible in asthma |
Pneumonia | Fever, cough, leukocytosis, rales or abolished vesicular murmur, pulmonary infiltrate at CXR, positive cultures (eventually) |
ARDS | Acute presentation within 1 week of a known clinical insult or new/worsening respiratory symptoms; chest imaging with bilateral opacities-not fully explained by effusions, lobar/lung collapse, or nodules; respiratory failure not fully explained by cardiac failure or fluid overload; PiO2/FiO2 < 200 |
Massive pleural effusion | Vesicular murmur abolished at lung auscultation and dullness at percussion, massive pleural effusion at CXR or US |
Acute pulmonary embolism | Signs and symptoms, prediction rules indicating high probability; multidetector computed tomography positive for pulmonary embolism; dilated, hypokinetic right ventricle with pressure overload signs (when the embolism determines a significatively hemodynamic impairment) |