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Medicine

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Kidney

Question
6 out of 21
 

What is seen in CRF? (LQ)



A Hyperkalemia
B Hypokalemia

C Normal potassium level
D All

Ans. D ALL

Other signs and symptoms of CRF may be due to the following consequences

Changes in body fluid volume or composition

A. Na retention

B. Hyponatremia (dilutional)

C. Hyperkalemia or hypokalemia (Hypokalemia is more common in salt loosing nephropathy)

D. Metabolic acidosis

E. Hyperphosphatemia

F. Hypocalcemia

G. Hypermagnesemia

H. Hyperuricemia

Hyperphosphatemia and hypocalcemia develop when GFR falls to < 25% of normal (< 30 ml/min). Prolonged hypocalcemia leads to secondary hyperparathyroidism (Increase PTH, Increase phosphate & Reduce Calcium)

Important Points::

1. In CRF hyperkalemia or hypokalemia both can happen, hypophosphatemia is not a feature.

2. In nutritional osteodystrophy there is hypocalcemia and hypo phosphatemia.

Extra Edge: Multiple Myeloma is the only condition where patient may have CRF with hypercalcemia.

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