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INSTITUTO POLITECNICO NACIONAL CELEX Escuela Superior de Medicina. Vitamin D deficiency. Speakers : . Juárez Cárdenas María Isabel Sánchez Noguez Edna Aidee. Teacher : Jaime Valdez . CONTENTS. DEFINITION FUNCTIONS MAIN SOURCES DEFICIENCY RICKETS SYMPTONS TREATMENT .

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INSTITUTO POLITECNICO NACIONAL CELEX Escuela Superior de Medicina

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INSTITUTO POLITECNICO NACIONAL

CELEX

Escuela Superior de Medicina

Vitamin D deficiency

Speakers:.Juárez Cárdenas María Isabel

Sánchez Noguez Edna Aidee

Teacher: Jaime Valdez


CONTENTS

  • DEFINITION

  • FUNCTIONS

  • MAIN SOURCES

  • DEFICIENCY

  • RICKETS

  • SYMPTONS

  • TREATMENT


1. VITAMIN D DEFINITION

  • Edward Mellanby discovered vitamin D.

  • Is a Fat-soluble vitamins.

  • Several forms of vitamin D have been discovered:

Vitamin D 2

Ergocalciferol

Vitamin D 3

Cholecalciferol

Vitamin D 4

22-dihydroergocalciferol

Vitamin D 5

Sitocalciferol


2. FUNCTIONS

  • Vitamin D is stored in…

  • Maintain levels of calcium and phosphorus normal.

  • Participate in cell growth and maturation.

  • Strengthens the immune system helping to prevent infection.


3. MAIN SOURCES


4. DEFICIENCY

  • Vitamin D deficiency can occur when:

    • Daily intake is less than the recommended levels.

    • The kidney can not convert vitamin D into the active form

    • sun exposure is insufficient

    • Can not absorb properly at the digestive tract.


  • The vitamin D deficiency resulting in decreased bone mineralization, leading to soft in bone diseases such as rickets in children and osteomalacia in adults, even associated with the onset of osteoporosis.


5. RICKETS

  • Is characterized by skeletal deformities.


6. SYMPTOMS

  • Skeletal deformities

  • Bowlegs

  • Forward projection of the breastbone (pigeon chest)

  • Bumps in the rib cage (rachitic rosary)

  • Skull asymmetrical or odd shape

  • Spinal deformities

  • Dental deformities

  • Delayed tooth formation


7. MEDICATION

  • Can be treated gradually over several months or one dose of a single day.

  • Based on a clinical trial found that a single dose of 600,000 IU of vitamin D3 orally was comparable to a dose of 20,000 IU of vitamin D3 per day orally for 30 days.

  • The incremental dose may be 125-250 micrograms (5.000 to 10.000 IU), which are ingested daily for two to three months.


  • A single dose of one day may be 15,000 micrograms (600,000 IU) of vitamin D, which is ingested orally in 4-6 divided doses. Intramuscular injection is also an alternative for a dose of a single day.

  • It is recommended that exposure to moderate amounts of sunlight.


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