21 results
diagnosis differential algorithm hematuria microscopy nephrotic renal workup blood glomerular injury kidney kidneyinjury management nephritic nephritis syndrome syndromes treatment urology
Algorithmic Approach to Acute Interstitial Nephritis When to suspect AIN? (not sensitive) • AKI, AKD, rapidly progressive
sensitive) • AKI ... sterile pyuria, WBC casts ... , mild tubular proteinuria ... , granular casts ... AIN #Algorithm #nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... (Negative urine ... sediment - WBC/RBC casts ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Simplified Approach to Acute Kidney Injury (AKI) 1) IS THIS AN EMERGENCY? Is there a dialysis indication
Simplified Approach to Acute ... require urgent nephrology ... cases are caused ... IMPROVEMENT If the urine ... for WBCs, RBCs, casts
Glomerular Diseases - Nephritic and Nephrotic Syndromes Nephritic syndrome—due to GBM disruption. Hypertension. t BUN and creatinine.
RBC casts in urine ... Proteinuria often ... but in severe cases ... Massive proteinuria ... #Nephrology #Diagnosis
Hematuria Workup and Diagnosis Algorithm • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
repeat testing • Acute ... glomerular bleeding (proteinuria ... , RBC casts, dysmorphic ... → Refer to Nephrology ... if cause not identified
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
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Epithelial cell casts ... Obstruction • Cast ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Nephritic vs Nephrotic Syndrome Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes. Step
hematuria and/or proteinuria ... hematuria (RBC casts ... dysmorphic RBCs in urine ... Comparison #Algorithm #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
Acute Kidney Injury - Differential Diagnosis Framework PRERENAL: - Intrarenal vasoconstriction-hemodynamically mediated - Systemic vasodilation - Volume
red blood cells/proteinuria ... white blood cell casts ... renal tubular cell casts ... or pigmented casts ... Kidney #Injury #AKI
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