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SVR
Systemic Vascular Resistance: SVR = ((MAP − CVP) × 80) ÷ CO
Result
1,152 dynes·s·cm⁻⁵
Normal (800–1200)
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- SVR = ((MAP − CVP) × 80) ÷ CO = ((80 − 8) × 80) ÷ 5 = 1152
Clinical note: Normal SVR 800–1200 dynes·s·cm⁻⁵. Indexed SVRI uses CI instead of CO (1970–2390). Vasopressors (NE, phenylephrine, vasopressin) raise SVR; vasodilators (nicardipine, hydralazine, anesthetics) lower it. Education only.