Sandboxkarol
Clinical Clues to the Diagnosis of RAS
Determine if one or more of the following is present: ❑ Onset of hypertension before the age of 30 years or severe hypertension after the age of 55 ❑ Accelerated, resistant, or malignant hypertension ❑ Development of new azotemia or worsening renal function after administration of an ACE inhibitor or ARB agent ❑ Unexplained atrophic kidney or size discrepancy between kidneys >1.5 cm ❑ Sudden, unexplained pulmonary edema ❑ Unexplained renal dysfunction, including individuals starting renal replacement therapy ❑ Multi-vessel CAD ❑ Unexplained CHF ❑ Refractory angina | |||||||||||||||||||||||||||||||||||||||||||
If no, proceed with non-invasive imaging | If yes, proceed with invasive renal arteriography | ||||||||||||||||||||||||||||||||||||||||||
Is patient allergic to contrast | |||||||||||||||||||||||||||||||||||||||||||
If yes proceed with US | If no check for:
❑ Implanted devices:
| ❑ Abdominal aortography to assess the renal arteries during coronary and peripheralangiography | |||||||||||||||||||||||||||||||||||||||||
If none of the above proceed with MRA
| If yes to any of the above, proceed with CT | ||||||||||||||||||||||||||||||||||||||||||
Negative noninvasive test but with high clinical suspicion | Evidence of RAS | Evidence of RAS | |||||||||||||||||||||||||||||||||||||||||
Go to invasive imaging | |||||||||||||||||||||||||||||||||||||||||||
Confirmed RAS:
❑Proceed to medical therapy ❑Consider revascularization | |||||||||||||||||||||||||||||||||||||||||||