specific result of a necessary medical intervention and never a spontaneous symptom of disease in a healthy person.
Changes in the thickness and shape of the veins
After a fistula is created, blood flow increases considerably in that specific area, causing visible venous dilation. This change results from the direct arterial flow into the vein, adapting the vessel to effectively support dialysis treatment.
This distinction is vital: the physical change is a consequence of the treatment, not the pathology itself. Understanding this nuance is crucial to avoid confusing medical adaptations
