There are two major types of circulation problems: restrictions in the blood flow going to an area (arterial), and away from it (venous). The QuantaFlo device measures arterial blood flow to the legs.

Dear Dr. Roach: Some months ago, my doctor used a QuantaFlo test to measure circulation in my legs. My result was low — 0.69 versus the normal range of 0.9-1.40. I was not surprised, as poor ...

Cold feet, dry skin, and pain while walking–often, poor circulation is the underlying issue. Photo: Getty Images Constantly cold feet? It’s not always just harmless shivering. Sometimes, circulation ...