KIDNEY Flashcards

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1
Q

dumbbell or envelope shape crystals

A

calcium oxalate (diet changes or too much oxalate)

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2
Q

coffin (ammonium, mg, Phosphate)

*^^^ urine pH

A

Struvite stones

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3
Q

hexagonal shape stones
**POS CYANIDE NITROPRUS TEST

**HARD TO VISUALIZE SO YOU PERFORM THIS TEST TO SEE IT

A

cystine stones

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4
Q

rhomboid/rosetts shape

A

uric acid

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5
Q

wedge shaped prism stones

A

calcium phosphate

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6
Q

urinalysis: fatty casts

A

nephrotic syndromes

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7
Q

urinalysis: granular (muddy brown) casts

A

Acute Tubular Necrosis

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8
Q

urinalysis: Hyaline casts

A

nonspecific, may be a normal finding

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9
Q

urinalysis: needle shaped crystals

A

crystalline nephropathy (IV acyclovir causes this)

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10
Q

urinalysis: RBC casts

A

Glomerulonephritis (esp nephritic diseases)

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11
Q

urinalysis: waxy casts

A

ESRD (esp patients on dialysis)

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12
Q

urinalysis: WBC casts

A

Acute pyelonephritis
transplant rejection
tubulointestinal inflammation

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