17 results
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
Non-glomerular bleeding ... • Hyaline casts ... crystals may indicate metabolic ... key #diagnosis #nephrology ... #casts
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... of Glomerular Bleeding ... hematuria: - RBC casts ... #urology #nephrology ... #renal #urine #
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
of glomerular bleeding ... proteinuria, RBC casts ... → Refer to Nephrology ... for renal biopsy ... if cause not identified
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Metabolic Acidosis ... Loss (Negative urine ... Diarrhea • Fistula Renal ... MetabolicAcidosis #NonGap ... #Nephrology #Differential
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... Chloridorrhea Renal ... MetabolicAlkalosis #NonGap ... #Nephrology #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #Nephrology ... #Causes
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Renal acidosis ... #NonGap #Metabolic ... #Acidosis #differential ... #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... 34t5DgJ #Urinary #Casts ... #Differential #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... hypovolemia • Bleeding ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... hypovolemia • Bleeding ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology