DA5- CALCIUM/PHOSPHATE

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Author:
HUSOP2014
ID:
167844
Filename:
DA5- CALCIUM/PHOSPHATE
Updated:
2012-08-28 15:47:18
Tags:
HUSOP DA5 CALCIUM PHOSPHATE
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Description:
DA5 LECTURE ON ELECTROLYTES CA, P
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  1. What is the normal total calcium serum range?
    8.5 to 10.5 mg/dL (2.13-2.63 mmol/L)
  2. What percent of Calcium is bound to albumin?
     46%
  3. What is the normal unbound (ionized) fraction of serum calcium range?
    4.4 -5.4 mg/dL (1.10-1.35 mmol/L)
  4. Which of the following will increase the binding of Ca to Albumin?
    a) metabolic alkalosis
    b) metabolic acidosis
    a) metabolic alkalosis
  5. What are the (3) major causes of hepercalcemia?
    • Cancer (tumors secrete PTH-related protein)
    • Hyperparathyroidism
    • Drug Use
  6. What is the total serum calcium concentration of severe hypercalcemia?
    >13 mg/dL (>3.25 mmol/L)
  7. What is the total serum calcium concentration of Hypercalemic crisis?
    >15 mg/dL (>3.75 mmol/L)
  8. Name some symptoms of hypercalcemia:
    • fatigue, ¬†weakness, anorexia
    • depression, anxiety, cognitive dysfunction
    • vague abdominal pain, constipation
    • renal: polyuria, polydipsia, nocturia
  9. Life threatening Hypercalcemia with functioning kidneys is usually treated with:
    • Saline rehydration
    • loop diuretic
    • Hemodialysys (low calcium bath)
    • Calcitonin
    • Glucocorticoids
    • Gallium nitrate
  10. Non-life-threatening hypercalcemia with sever renal insufficiency is usually treated with:
    • Hemodialysis (low calcium bath)
    • Calcitonin
    • Glucocorticoid
  11. Asymptomatic hypercalcemia (>12 mg/dL) is usually treated with?
    • Saline rehydration
    • Loop diuretic
    • Calcitonin
    • Glucocorticoids
    • IV Bisphosphonates
    • Mithramycin
  12. Asymptomatic hypercalcemia (< 12 mg/dL) is usually treated with?
    • Observation
    • Correcting the reversable cause

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