Shock

LITERATURE

MeasureHypovolemicCardiogenicObstructiveDistributive
Preload(central venous pressure / Pulmonary artery occlusion)DecreasedIncreasedEitherDecreased
Afterload (systemic vascular resistance)IncreasedIncreasedIncreasedDecreased
Contractility (cardiac index / stroke volume index)DecreasedDecreasedDecreasedIncreased
Oxygen deliveryDecreasedDecreasedDecreasedIncreased
Systemic oxygen consumption (venous oxygen saturation)IncreasedDecreasedDecreasedDecreased
Oxygen balance (venous oxygen saturation / capillary oxygen saturationDecreasedDecreasedDecreasedIncreased
ExamplesHypovolemicCardiogenicObstructiveDistributive
HemorrhagePost-MITension pneumothoraxSeptic shock
BurnsMalignant dysrhythmiaCardiac tamponadeAnaphylaxis
PancreatitisAcute myocarditisPulmonary embolismNeurogenic shock

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