Fig. 4
From: Intrapulmonary percussive ventilation via Mini-Trach II in critical care: a case report
Clinical course of the patient after ICU admission. APRV, airway pressure release ventilation; HFNC, high-flow nasal cannula; ICU, intensive care unit; IPV, intrapulmonary percussive ventilation; PaO2/FiO2 ratio, the ratio of arterial oxygen partial pressure to fractional inspired oxygen; PEEP, positive end–expiratory pressure