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Critical Care

Organ dysfunction and oxygenation indices.

Endocrine & Metabolic · Equation

Anion gap

Is there an elevated anion gap metabolic acidosis?

Moderate evidence Point in time Pulmonology · Equation

A–a gradient

Is hypoxaemia due to a gas-exchange problem or hypoventilation?

Moderate evidence Point in time Cardiology · Risk score

GRACE (in-hospital)

What is the risk of death during hospitalisation for acute coronary syndrome?

Strong evidence Index hospitalisation Neurology · Risk score

GCS

What is the patient's level of consciousness?

Strong evidence Point in time Critical Care · Equation

P/F ratio

How severe is impaired oxygenation (ARDS category)?

Strong evidence Point in time Infection & Sepsis · Decision rule

SIRS

Does the patient meet criteria for the systemic inflammatory response syndrome?

Moderate evidence Point in time Critical Care · Risk score

SOFA

How much organ dysfunction does this critically ill patient have?

Strong evidence Daily Critical Care · Equation

S/F ratio

What is the non-invasive oxygenation ratio when no blood gas is available?

Moderate evidence Point in time Infection & Sepsis · Risk score

qSOFA

Is a patient with suspected infection at higher risk of a poor outcome?

Moderate evidence Hospital stay

Related clinical problems

Pneumonia and sepsisRespiratory failure and COPD

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