High-output heart failure from AV fistula: Difference between revisions
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==Differential Diagnosis== | ==Differential Diagnosis== | ||
{{AV shunt complications DDX}} | {{AV shunt complications DDX}} | ||
{{Template:High-output heart failure DDX}} | |||
==Workup== | ==Workup== | ||
Revision as of 00:38, 11 February 2021
Background
- High-output heart failure that occurs when >20% of cardiac output is diverted through the dialysis access
Clinical Features
- Branham sign (drop in HR after temporary access occlusion) is diagnostic
Differential Diagnosis
AV Fistula Complications
- Clotting of AV fistula
- Infection of AV fistula
- Hemorrhage of AV fistula
- Vascular insufficiency from AV fistula
- AV fistula aneurysm/pseudoaneurysm
- High-output heart failure from AV fistula
- Hyperthyroidism
- Beriberi
- High-output heart failure from AV fistula
- AVM
- Paget disease
- Anemia
- Pregnancy
Workup
- Doppler ultrasound can accurately measure access flow rate and establish the diagnosis
Management
- Surgical banding of the access
Disposition
- Admit