Definition What are indications for Mechanical Ventilation? clinical or laboratory signs that the patient cannot maintain an airway or adequate oxygenation or ventilation. include respiratory rate > 30/min inability to maintain arterial O2 saturation > 90% with fractional inspired O2 (Fio2) > 0.60 PCO2 of > 50 mm Hg with pH < 7.25 A little […]