Even minor changes in a functioning AV fistula can significantly affect dialysis quality. Clots, reduced blood flow, and narrowing of the fistula are common problems that require immediate attention. Warning signs like pain, swelling, prolonged bleeding, or weak thrill should not be ignored. Early diagnosis helps protect a functioning AV fistula and avoid repeat procedures. https://share.google/3WP754mdnpkxSqQlw