Abnormal Urinary Crystals Flashcards
This is most often found in ACIDIC URINE or rarely in NEUTRAL URINE
Abnormal Urine Crystals
APPEARANCE: Colorless needles [tend to form bundles following refrigeration]
AMPICILLIN
INDICATION: Precipitation of antibiotics following massive dosage of this penicillin compound without adequate hydration
AMPICILLIN
APPEARANCE: Yellow, Clump needles or granules
BILIRUBIN
If (+) Bilirubin in Urine indicates what?
Liver Disorder
APPEARANCE: Rectangular plates with notch on one or more corners
CHOLESTEROL
Cholesterol can be seen in: Nephrotic Syndrome in conjunction with:
Fatty Casts
Oval Fat Bodies
APPEARANCE: Colorless, Hexagonal Plates [thick or thin]
CYSTINE
Distinguished from URIC ACID Crystals [highly birefringent]
CYSTINE
What is the confirmatory test for cystine?
Cyanide-Nitroprusside Test
Metabolic disorders that prevents reabsorption of cysteine by renal tubules; The patient may develop Renal Calculi / Kidney stones at an early age
CYSTINURIA
APPEARANCE: Yellow-Brown spheres [concentric circles with radial striations]
LEUCINE
This crystal resembles Pollen Grains
LEUCINE
Leucine Should be accompanied by?
TYROSINE CRYSTALS
This crystal is also associated with liver disorders
Leucine
APPEARANCE: Colorless flat plates, similar to CHOLESTEROL Crystals
RADIOGRAPHIC DYE
Specific Gravity: Markedly Elevated
RADIOGRAPHIC DYE
APPEARANCE: Colorless to Yellow-Brown, Needles, Rhombics, Whetstones, “SHEAVES of WHEAT” and Rosettes
SULFONAMIDES
Distinguished from CALCIUM PHOSPHATE
SULFONAMIDES
Does NOT dissolve upon addition of Dilute Acetic Acid
SULFONAMIDES
Primary cause of Sulfonamide Crystalization
Inadequate Patient Hydration
APPEARANCE: Fine, Colorless to Yellow needles [in clumps or rosettes]
TYROSINE
Tyrosine is seen in conjunction with?
LEUCINE CRYSTALS
Chemical test for BILIRUBIN
What abnormal crystals are associated with Liver disorders
Bilirubin, Leucine, and Tyrosine
