18 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... WBCs, or urine ... glomerular bleeding (proteinuria ... → 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
the patient has hematuria ... and/or proteinuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Comparison #Algorithm #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
(Negative urine ... (Positive urine ... sediment - WBC/ ... RBC casts ... #Nephrology #Differential
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
: 3 or more RBC/ ... : - RBC casts ... - Dysmorphic RBC ... - Proteinuria ... causes #urology #nephrology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
hematuria. ... RBC casts in urine ... Proteinuria often ... Massive proteinuria ... #Nephrology #Diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
blood cells on urine ... Dysmorphic RBCs and/or RBC ... IgA, post-strep, lupus ... nephrotic range) proteinuria ... glomerulonephritis • Lupus
Lupus Nephritis - Diagnostic approach to kidney disease associated with systemic lupus erythematosus (SLE)
SLE patient develops
develops new: • Proteinuria ... • Nephritic urine ... casts, WBC casts ... with evidence of proteinuria ... algorithm #sle #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
sterile pyuria, WBC ... eosinophiluria, microscopic hematuria ... , mild tubular proteinuria ... AIN #Algorithm #nephrology
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Causes Abnormal Urine ... Hyperoxalirua, Heavy Proteinuria ... : • Hematuria, ... : • Hematuria, ... Differential #Diagnosis #nephrology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Dyspnea, Fever, Hematuria ... Complex: Systemic lupus ... Investigations • Labs: CBC ... • Urinalysis (proteinuria ... differential #diagnosis #nephrology