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19 Cards in this Set
- Front
- Back
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What is the most common HTN related renal disease?
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Benign Nephrosclerosis
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What is the pathogenesis of benign nephrosclerosis?
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Atherosclerosis of the renal arterioles in the cortex
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What is the appearance of the kidney in benign nephrosclerosis?
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Small granular kidneys with thinned cortex. The glomeruli will be normal, with some ischemic change overtime.
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What is the diastolic pressure threshold for malignant HTN?
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>130
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What does the term onion skinning refer to?
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Intimal thickening with concetnric layering of smooth muscle caused by malignant hypertension
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How do thrombotic microangiopathies cause renal disease?
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endothelial damage that causes vascular change in the subendothelial zones of the renal capillaries.
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What is the most common cause of ARF in children?
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HUS - hemolytic uremic syndrome
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What is a common cause of HUS?
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E. coli infection producing toxin
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What diseases/conditions are associated with HUS in adults?
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infection
antiphospholipid syndrome pregnancy |
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What is HTN, proteinuria and edema in 3rd trimester called?
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preeclampsia
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What is curative for preeclampsia?
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delivery
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What is the description of a preeclamptic glomeruli?
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"Bloodless"
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What is the organ most effected by SCD?
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kidney
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Why does sickling occur in the kidney?
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hypertonic and low oxygen tension
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Where do infarcts in the kidney occur when caused by SCD?
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Medulla and papilla
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What is the most common cause of renal infarcts?
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atheromatous emboli
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What does an emboli caused infarct look like?
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Wedge shaped infarct that is pale, discreet and in the cortex.
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What is the classic cause of cortical necrosis?
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abruptio placenta
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Why is the medulla spared with cortical necrosis?
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Cortical blood supply is after vasa recta branch.
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