Figure 1From: Efficacy and safety of non-invasive ventilation in the treatment of acute cardiogenic pulmonary edema – a systematic review and meta-analysisFlow chart of the study selection process. ACPO, acute cardiogenic pulmonary edema; ARF = acute respiratory failure; CPAP, continuous positive airway pressure ventilation; ETI, endotracheal intubation; NPPV, non-invasive positive pressure ventilation; MT, medical therapy.Back to article page