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Vena Cava Constriction as the cause of secondary hyperaldosteronism

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MananaMD said:
Hi !!!

Guys, could you please explain, what is the cause?
How vena cava obstruction can be the cause of secondary hyperaldosteronism?
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Vena vaca obstruction will decrease the venous return and consequently COP will drop and so the renal blood flow which will activate renin-angiotensin-aldosterone system

It's indirect way but that what I understood any other answer !!
 
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