semler science

QuantaFlo™ (Semler Scientific, Inc.) is a novel, noninvasive, 510K FDA approved a digital device that is used as a screening tool to measure ABI of patients at risk of PAD. This single-center prospective clinical trial will evaluate the sensitivity and specificity of digital ABI in detecting PAD using color Doppler ultrasound and 'gold standard' angiography as a reference. Specifically in a patient undergoing dialysis and who cannot undergo ABI using pressure cuffs dialysis grafts/ fistulae in the arms.