26 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
Toxic Alcohol Ingestion
Alcoholic ketoacidosis - Methanol - Ethylene glycol - Isopropyl Alcohol
 • Metabolic Acidosis
 •
• Metabolic Acidosis ... Gap • Serum / Urine ... Alcohol #Ingestion #diagnosis ... #toxicology #comparison
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
diuretic use, Bartter syndrome ... , Gitelman syndrome ... LiCl use The urine ... Urine chloride is ... #differential #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
Toluene Poisoning - Diagnosis and Management Summary
What is it?  Volatile hydrocarbon, Glue or paint-sniffing, Occupational
Toluene Poisoning - Diagnosis ... Early raised AG acidosis ... normal anion gap acidosis ... nephrocalcinosis) • Urine ... Toluene #Poisoning #Toxicology
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
Salicylate Toxicity - Diagnosis ... anion-gap metabolic acidosis ... Resuscitation 2) Urine ... Aspirin #Toxicity #Toxicology ... #diagnosis #management
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
for Respiratory Acidosis ... Metabolic Alkalosis Urine ... Volume Contraction Urine ... Barter, or Gitelman Syndrome ... alkalosis #algorithm #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