Hyperphosphatemia

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Introduction

a simple case introducing clincial presentation and calling for a differential diagnosis to get students thinking.

Phosphate is normally secreted by the kidneys. Renal failure is one of the more common causes for elevated phosphate levels.

Tumor lysis syndrome and phosphate release (causing hypocalcemia due to calcium phosphate precipitation).

Phosphate binders can be used. Tums is one of the most accessible, but should not be used in patients with hypercalcemia.

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