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  Indian J Med Microbiol
 

Figure 1: Management algorithm for nonintubated coronavirus disease-2019 patients with progressive respiratory worsening. AIIR: Airborne infection isolation room, LFNC: Low-flow nasal cannula, HFNC: High-flow nasal cannula, S/F: SpO2/FiO2, P/F: PaO2/FiO2, PPE: Personal protective equipment, SpO2: Peripheral capillary oxygen saturation, RR: Respiratory rate, SBP: Systolic blood pressure, DBP: Diastolic blood pressure, SBC: Single breath count, ?: change, NIPPV: Noninvasive ositive pressure ventilation, WOB: Work of breathing

Figure 1: Management algorithm for nonintubated coronavirus disease-2019 patients with progressive respiratory worsening. AIIR: Airborne infection isolation room, LFNC: Low-flow nasal cannula, HFNC: High-flow nasal cannula, S/F: SpO2/FiO2, P/F: PaO2/FiO2, PPE: Personal protective equipment, SpO2: Peripheral capillary oxygen saturation, RR: Respiratory rate, SBP: Systolic blood pressure, DBP: Diastolic blood pressure, SBC: Single breath count, ?: change, NIPPV: Noninvasive ositive pressure ventilation, WOB: Work of breathing