For dialysis patients, a functioning AV fistula is a lifeline. Reduced blood flow, clot formation, or narrowing of the fistula can interrupt dialysis and cause complications. Common warning signs include pain, swelling, prolonged bleeding, weak thrill, or machine alarms. Timely diagnosis and treatment can protect a functioning AV fistula and help avoid additional procedures. https://share.google/3WP754mdnpkxSqQlw