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SECONDARY HYPERTENSION-SECONDARY HYPERALDOSTERONISM

Nephrology

SECONDARY HYPERTENSION-SECONDARY HYPERALDOSTERONISM

1. Caused by disease in the kidneys or a restricted blood flow in the renal arteries.

2. Decreased renal blood flow => increased renin => increased angiotensin II => increased aldosterone.

3. Characterised by hypertension, hypokalemia, metabolic alkalosis and increased serum renin.

4. Common causes: renovascular disease, can be due to either atherosclerotic renal artery stenosis or fibromuscular dysplasia.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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