15 results
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... Crystals Uric Acid ... crystals: - Formation ... in tumor lysis syndrome ... - Diagnostic of
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Atlas of Urine Microscopy ... Red cell casts - Diagnostic ... glomerular disease • Leukocytes ... - Some crystals ... Microscopy #Atlas #key #diagnosis
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Urine Drug Screens ... Diphenhydramine #Urine ... DrugScreens #UDS #Laboratory ... #Toxicology #Diagnosis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
culture used to diagnose ... • Metabolic syndrome ... Intracellular (leukocyte ... stain and culture- Diagnose ... #rheumatology #Diagnosis
Possible Causes of Altered Urine Color 

Red 
    Foods: beets, blackberries, rhubarb
Causes of Altered Urine ... Uric acid crystals ... Purple (Purple Urine ... #Altered #Urine ... #Differential #Diagnosis
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
False-Positive Results With Urine ... Screening #Urine ... DrugScreens #UDS #Laboratory ... #Toxicology #Diagnosis
Tumor Lysis Syndrome - Workup and Management

Initial workup: BMP, Serum uric acid, LDH, Urine output, Consider
Tumor Lysis Syndrome ... uric acid, LDH, Urine ... creatinine ratio Laboratory ... #Tumor #Lysis #Syndrome ... #diagnosis #management
Commonly Observed Laboratory Findings in Hepatic / Liver Failure
 - Elevated conjugated and unconjugated bilirubin -
Commonly Observed Laboratory ... BUN - Decreased urine ... the hepatorenal syndrome ... Hepatic #Hepatology #Laboratory ... #Diagnosis #Testing
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout - Diagnosis ... to phagocytosed crystals ... sex • Metabolic syndrome ... Intracellular (leukocyte ... Extracellular crystals
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
intracellular urate crystals ... pyrophosphate dihydrate crystals ... (to support a diagnosis ... • Serum and urine ... #workup #diagnosis