Calculate Pulmonary Vascular Resistance | Medical Algorithm

As blood flows through the vasculature, it encounters resistance to flow. This is one of the contributing factors to blood pressure.

systemic vascular resistance =

= (mean arterial pressure) - (mean right atrial pressure)) * (80 / (cardiac output))

pulmonary vascular resistance =

= ((mean pulmonary arterial pressure) - (pulmonary capillary wedge pressure)) * (80 / (cardiac output))

total pulmonary resistance =

= (mean pulmonary arterial pressure) / (cardiac output * (80)

Interpretation

• normal systemic vascular resistance: 800 - 1200 dynes per sec per cm^(-5)

• normal pulmonary vascular resistance: 120 - 250 dynes per sec per cm^(-5)

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Vascular Resistances