Aubf 2 - Abnormal Urinary Crystals Flashcards

1
Q

Cysteine appearance

A

Colorless thick/Thin hexagonal plates

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2
Q

Difference of cysteine from uric acid

A

Uric acid is High birefringence

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3
Q

Confirmation for cysteine

A

Cyanide-nitroprusside test

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4
Q

Clinical significance of Cysteine

A

Cystinuria = formation of renal calculi

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5
Q

Appearance of Cholesterol crystals

A

Rectangular plates w/ one or more notch

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6
Q

Clinical significance of cholesterol cast

A

Nephrotic syndrom (w/ fatty cast + Oval Fat bodies)

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7
Q

Appearance of Radiographic dye crystals

A

Colorless flat plates

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8
Q

Significance of Radiographic dye

A

Elevated SG

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9
Q

Sulfonamide crystals appearance

A

Colorless, Yellow-brown needles, rhombic, whetstone, WEAVES OF SHEATH, rosette

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10
Q

Sulfonamide Crystals significance

A

Inadequate dehydration

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11
Q

Ampicillin appearance

A

Colorless needles

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12
Q

Ampicillin when it is being refrigerated

A

Bundle

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13
Q

LIVER DISEASE ASSOCIATED CRYSTALS

A

Leucine
Tyrosine
Bilirubin

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14
Q

Leucine crystals appearance

A

Yellow-brown spheres (concentric circles with radial striations)

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15
Q

Leucine must be with

A

Tyrosine

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16
Q

Leucine resembles

A

Pollen grains

17
Q

Tyrosine appearance

A

Fine, colorless to yellow needles (clump or rosette)

18
Q

Tyrosine must be with

A

Leucine

19
Q

Is tyrosine + / - in bilirubin

A

+

20
Q

Yellow granules, needles, cast

A

Bilirubin crystals