41 results
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
hematuria and/or proteinuria ... glomerular hematuria (RBC ... casts or dysmorphic ... RBCs in urine)? ... Comparison #Algorithm #Nephrology
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
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... sediment - WBC/ ... RBC casts ... #Nephrology #Differential
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
glomerular bleeding (proteinuria ... , RBC casts, dysmorphic ... → Refer to Nephrology ... cystoscopy • Refer ... to Nephrology if
Lupus Nephritis - Diagnostic approach to kidney disease associated with systemic lupus erythematosus (SLE)
SLE patient develops
develops new: • Proteinuria ... urine sediment ... casts, WBC casts ... with evidence of proteinuria ... algorithm #sle #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... Cirrhosis • Nephrotic ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... Malignancy True hypovolemia ... Cirrhosis • Nephrotic ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... hematuria • Signs ... - Proteinuria ... #Hematuria #Differential ... #urology #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Acute Interstitial Nephritis ... sterile pyuria, WBC ... , mild tubular proteinuria ... #Interstitial #Nephritis ... AIN #Algorithm #nephrology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... arbitrarily defined as urine ... urine sediment ... #nephrotic #syndrome ... #nephrology