5/25/13 b Flashcards Preview

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Flashcards in 5/25/13 b Deck (20):
1

is the acidosis of renal tubular acidosis anion gap or non-anion gap?

non-anion gap

2

Which type of renal tubular acidosis causes hyperkalemia?

type IV

3

What is the mechanism of RTA type IV at the level of the glomerulus?

lack of or insensitivity to Aldo at collecting duct

4

What are 2 endocrine diseases and 2 drugs that cause RTA type IV?

Addison's, DM (nephropathy), spironolactone, ACE-I's

5

What aldo like substance can be given to treat RTA type IV?

fludrocortisone

6

What 2 other things should be administered w/ fludrocortisone to tx RTA type IV?

NaHCO3 and furosemide

7

What is the mech (glomerular level) of RTA type 2?

reduced proximal tubular bicarb resorption

8

What are the 2 most common causes of RTA type 2?

multiple myeloma and carbonic anhydrase inhibitor

9

How does multiple myeloma cause RTA type 2?

increased excretion of Ig light chains

10

What is euthyroid sick syndrome?

low T4 and T3 in seriously ill pts, but normal TSH

11

What are 2 ways euthyroid sick syndrome can be told apart from true hypothyroidism?

normal TSH; disproportionately low T3

12

What is an apparent claudication of the legs that is relieved by sitting and/or leaning forward?

Lumbar spinal stenosis

13

What structure is compressed in lumbar spinal stenosis?

spinal nerve roots

14

What do you call a common low-back pain in older pts - simple low-back pains and sprains - w/ muscle spasm that occasionally radiates to the buttocks?

Lumbago

15

Low-back pain of what etiology usu. worsens when the lumbar flexion?

herniated disc

16

Does facet pain from osteoarthritis generally worsen with flexion or extension?

worsens w/ extension

17

What structure is narrowed in lumbar spinal stenosis?

spinal canal

18

What does elevated creatine-kinase indicate?

muscle damage

19

What kind of casts would you see in the urine of a pt w/ acute glomerulonephritis?

RBC casts

20

What kind of casts would you see in the urine of a pt w/ allergic interstitial nephritis?

WBC casts and non-pigmented granular casts