Parathyroid and Calcium Flashcards

1
Q

PTH causes bone

A

resorption

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2
Q

PTH effect on Ca andVit D n the kidney

A

Reabsorbs Ca and adds second hydroxy group to D

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3
Q

Net total effect of PTH

A

increases serum Ca levels

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4
Q

Most common cause of Parathyroid hypersecretion of PTH

A

solitary adenoma

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5
Q

Vit D effect on Gut Ca

A

increases gut’s absorption of calcium and phosphate

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6
Q

Net effect of PTH on phosphate

A

Loss of phosphate because you piss it all out

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7
Q

Primary hyperparathyroidism clinical findings

A

Bones, Groans (pancreatitis), Stones (kidney, stomach ulcers) , Psychic moans

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8
Q

Previous severe bone disease found with high PTH levels

A

osteitis fibrosa cystica

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9
Q

Today high PTH people only present with

A

elevated serum Ca

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10
Q

Primary hyperparathyroidism mostly affects ___ bone

A

cortical

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11
Q

Symptomatic patients with these two symptoms are candidates for Primary hyperparathyroidism surgery

A

fractures, kidney stones

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12
Q

Asymptomatic patients younger than __, with severe ___, with reduced ____ clearance, and low __ __

A

50, hypercalcemia, creatinine clearance, bone mass

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13
Q

Secondary hyperparathyroidism is caused by the parathyroid glands compensating for

A

hypocalcemia

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14
Q

Secondary hyperparathyroidism causes

A

renal insufficiency, calcium malabsorption, Vit D deficecny

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15
Q

Tertiary hyperparathyroidism comes after prolonged __ and one of the glands goes rouge

A

Secondary hyperparathyroidism

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16
Q

Secondary vs. Tertiary- Calcium and PTH levels

A

Secondary - Low Ca, High PTH

Tertiary- High Ca, High PTH

17
Q

Familial Hypocalciuric Hypercalcemia is an inactivation mutation of what receptor?

A

The calcium sensing receptor

18
Q

Lab findings for FHH

A

High Serum Ca, Normal/Slight high PTH, LOW URINE CALCIUM

19
Q

FHH outcomes

A

Benign, no surgery history

20
Q

Activating the calcium sensing receptors is done by high __ levels and results in what

A

calcium, bone formation, decreased bone resorption

21
Q

Most common cause of Hypoparathyroidism

A

post surgical

22
Q

Most concerning symptom of Hypoparathyroidism

A

cardiac arrhythmia

23
Q

Other symptoms of Hypoparathyroidism

A

Tingling of fingers/toes, tetany of facial nerve or carpal spasm

24
Q

What is the goal of serum calcium level in a Hypoparathyroidism patient

A

low normal so you don’t give em kidney stones

25
Q

Vitamin D toxicity takes ___ amount and has these symptoms

A

a fuck ton; nausea, altered mental status

26
Q

Vitamin D deficiency etiology

A

liver issues, kidney issues, too little intake, too little sun

27
Q

Vitamin D deficiency results in

A

secondary hyperparathyroidism

28
Q

Vitamin D deficiency causes __ bone disease in kids- common symptom

A

rickets, bowing of the legs

29
Q

Vitamin D is responsible for bone

A

mineralization