Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
|
Where is phosphorus mostly located?
|
85% in bones
1% in ECF rest intracellular |
|
|
What is the normal range of phosphorus?
|
3-4.5 mg/dl
|
|
|
Why is fasting phosphorus measurment most accurate?
|
diurnal variation with morning nadir and carbs and gluc lowers phos levels
|
|
|
What are the main causes of hyperphosphatemia? (list 5)
|
renal failure (MC)
hypoPTH rhabdomyolysis tumor lysis syndrome metabolic and respiratory acidosis |
|
|
How does hyperphosphatemia present?
|
Similar to hypocalcemia
|
|
|
What do you use to treat hyperphosphatemia?
|
Oral Phosphate Binders
calcium carbonate (PO TID with meals) Sevelamer (only for dialysis) Saline diuresis (pt with no renal failure) |
|
|
Is dialyis effective in reducing hyperphosphatemia?
|
No. Most phosphate is in intra-cellular stores.
|
