Vascular & Circulation Calculators

Last Updated: August 11, 2026

Explore 8 vascular and circulation calculators for ABI, stenosis, carotid ICA/CCA ratio, Doppler resistance and pulsatility indices, blood flow, and perfusion signal measures.

Peripheral Artery & Stenosis Calculators

Calculate ABI, carotid ICA/CCA velocity ratio, and diameter-based stenosis measures while keeping measurement method and clinical context in view.

Doppler Resistance & Pulsatility Indices

Calculate Doppler resistance and pulsatility indices from waveform velocities, including reverse algebra and repeated-waveform summaries where provided.

Blood Flow & Perfusion Calculators

Calculate volumetric blood flow, flow velocity, and pulse-oximeter perfusion signal ratios without treating a single result as a diagnosis.

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