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Table 1 Oxygenation and ventilation modalities preceding the initiation of Bag-CPAP

From: A new reservoir-based CPAP with low oxygen consumption: the Bag-CPAP

Device

Oxygen flow

Previous FiO2 (%)

SpO2 (%)

Etiology

High concentration mask

15 L/min

90–100*

100

Acute cardiogenic pulmonary edema

High concentration mask

15 L/min

90–100*

91

Acute cardiogenic pulmonary edema

High concentration mask

6 L/min

60*

N/A

SARS-CoV-2

High concentration mask

10 L/min

80–90*

95

Acute decompensation of interstitial lung disease

High concentration mask

15 L/min

90–100*

86

SARS-CoV-2

High concentration mask

9 L/min

80–90*

98

Acute decompensation of interstitial lung disease

High concentration mask

15 L/min

90–100*

84

SARS-CoV-2

High concentration mask

15 L/min

90–100*

95

SARS-CoV-2

High concentration mask

6 L/min

60*

96

SARS-CoV-2

High concentration mask

15 L/min

90–100*

92

SARS-CoV-2

High concentration mask

15 L/min

90–100*

91

SARS-CoV-2

High concentration mask

15 L/min

90–100*

94

SARS-CoV-2

NIV

N/A

60

99

Acute cardiogenic pulmonary edema

High concentration mask

9 L/min

80–90*

97

SARS-CoV-2

High concentration mask

10 L/min

80–90*

90

SARS-CoV-2

High concentration mask

10 L/min

80–90*

93

SARS-CoV-2

HFOT

N/A

93

94

SARS-CoV-2

HFOT

N/A

100

88

SARS-CoV-2

High concentration mask

6 L/min

60*

98

Acute cardiogenic pulmonary edema

High concentration mask

15 L/min

90–100*

86

SARS-CoV-2

  1. *FiO2 estimated according to O’Driscoll BR, Howard LS, Earis J, Mak V. BTS guideline for oxygen use in adults in healthcare and emergency settings. Thorax. 2017;72:ii1–90
  2. HFOT = high flow oxygen therapy