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Fraction of inspired oxygen

Fraction of inspired oxygen (FIO2), correctly denoted with a capital I, is the molar or volumetric fraction of oxygen in the inhaled gas. Medical patients experiencing difficulty breathing are provided with oxygen-enriched air, which means a higher-than-atmospheric FIO2. Natural air includes 21% oxygen, which is equivalent to FIO2 of 0.21.…

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Overview

Medicine

Gas exchange
Alveoli Pulmonary alveolus

Uses

APACHE II
Intensive care unit
Alveolar–arterial gradient
Arterial blood
PaO2
Hypoxemia
Lung injury Lung injury?action=edit&redlink=1

PaO2/FIO2 ratio

Partial pressure arterial oxygen Blood gas tension
Horowitz index
ARDS Acute respiratory distress syndrome
Community acquired pneumonia
SMART-COP SMART-COP?action=edit&redlink=1

Related mathematics

Alveolar air equation

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Fraction of inspired oxygen

Nodes25

Edges24

Triples11

Avg. degree1.92

Density0.08

Components1

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Fraction of inspired oxygen

Top relations

related to PaO2/FIO2 ratio · 11

Fraction of inspired oxygen → AECC, ARDS, Berlin, Carrico, FIO2, Horowitz, PaO2, PaO2/FIO2, The, This, With

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Important terminology

fio2 oxygen pao2 ratio air used partial mmhg gas pressure 21 100 medicine alveolar equal arterial blood less inspired oxygen-enriched

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	The	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	Horowitz	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	Carrico	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	This	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	With	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	PaO2	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	FIO2	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	PaO2/FIO2	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	AECC	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	Berlin	0.60	section
Fraction of inspired oxygen	related to PaO2/FIO2 ratio	ARDS	0.60	section

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