IVC Distensibility Index vs Collapsibility Index: Using the Correct Index
RebelEM
FEBRUARY 24, 2025
Well, the established cutoff for the distensibility index is 18%. A cutoff of 18% has a positive predictive value (PPV) of 92% and NPV of 90% for fluid responsiveness. 19 These are all invaluable tools that providers can use at the bedside to assess the probability of a patient responding to IV fluids. Ultrasound Med Biol.
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