Phosphorus (reg, hypo, & hyper) Flashcards

1
Q

what is the range of phosphorus

A

2.4 - 4.5

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2
Q

what is phosphorus regulated by

A

parathyroid & calcitriol

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3
Q

what are the main functions of phosphorus (3)

A

helps reg calcium (inverse relationship w/ ca & mg)
cellular metabolism & energy production through ATP
essential for bones & teeth

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4
Q

what causes hypophospatemia (2)

A

insufficient intake
increased excretion

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5
Q

what cause insufficient intake of phosphorus

A

malnutrition
starvation
Refeeding syndrome

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6
Q

what is re-feeding syndrome

A

fatal shift of fluids & electrolytes that may occur in malnourished pts

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7
Q

what causes increased phosphorus excretion (4)

A

hyperparathyroidism - calcium rise, phosphorus drops
malignancy
diuretics & diarrhea
use of mg-based or aluminum-based antacids

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8
Q

will a pt’s bp & hr be increased or decreased on hypophosphatemia

A

decreased

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9
Q

what bowel sounds will be in hypophos

A

hypoactive

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10
Q

what will form in the kidneys of a pt w/ hyposphos

A

kidney stones

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11
Q

will the pt be oreiented or have altered LOC in hypophos

A

altered LOC

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12
Q

will pt have increased or decreased DTR in hypophos

A

decreased

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13
Q

how will the muscles be impacted in a pt with hypophos

A

severe muscle weakeness

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14
Q

what will have pain in the body and be at risk for more fractures in hypophos

A

bones

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15
Q

what are the interventions for hypophos (2)

A

replace phos IV or PO
Fracture precautiosn

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16
Q

what should we admin oral phos along with

A

vitamin d

17
Q

how quick should we admin phos if it’s severely low

A

slowly

18
Q

what cause hyperphos (5)

A

increased intake
overuse of laxative & enemas w/ phos
decreased excretion due to renal insufficiency
hyperparathyroidism
hypocalcemia

19
Q

what will be the neuromusc symps in a pt w/ hyperphos (6)

A

irritable skeletal muscles - twitching, cramps, tetany, seizures, parasthesias
painful spasms in calf/foot
pos. trousseau’s & chvostek’s signs
hyperactive DTRs
osteoporosis - body trying to get more calcium

20
Q

what GI symps will be present in pt w/ hyperphos

A

hyperactive bowels
diarrhea

21
Q

what are the hyperphos interventions

A

same as hypocalcium