A well-maintained functioning AV fistula plays a critical role in dialysis success. Reduced blood flow, clots, or stenosis can weaken the fistula over time. Signs such as weak thrill, swelling, pain, or frequent dialysis interruptions indicate trouble. Early intervention can save a functioning AV fistula and reduce the risk of surgery. https://share.google/3WP754mdnpkxSqQlw