46 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... repeat testing • Acute ... proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... hematuria (RBC casts ... dysmorphic RBCs in urine ... #Comparison #Algorithm ... #Nephrology #Diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #Nephrology #Causes
Differential Diagnosis of Acute Kidney Injury 

#Diagnosis #Nephrology #AKI #Acute #KidneyInjury #Causes #Differential #Workup #Algorithm #Ddxof
Differential Diagnosis of Acute ... #Diagnosis #Nephrology ... #Causes #Differential ... #Workup #Algorithm ... #Ddxof
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... #Urine #Microscopy ... #nephrology #interpretation
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #nephrology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... Nephritic syndrome—due ... RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Differential Diagnosis Algorithm ... into cells - Acute ... depletion: Respiratory alkalosis ... ), Hungry bone syndrome ... #causes #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... • Fanconi's syndrome ... sediment - WBC/RBC casts ... #Proteinuria #Nephrology
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• White cell casts ... infection • Hyaline casts ... disease • Granular casts ... key #diagnosis #nephrology ... #casts