18 results
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Compartment Syndrome, Medications ... Protein) • AIN: Medication ... Neurogenic Bladder (Medication ... Differential #Diagnosis #nephrology ... #causes #algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
proteinuria, RBC casts ... → Refer to Nephrology ... cystoscopy • Refer ... to Nephrology if ... cause not identified
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• White cell casts ... disease • Granular casts ... disorders or excreted medications ... key #diagnosis #nephrology ... #casts
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... acute and chronic kidney ... #Urine #Microscopy ... #nephrology #interpretation
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Approach to Acute Kidney ... require urgent nephrology ... PROBLEM ~80% of AKI cases ... for WBCs, RBCs, casts ... workup #diagnosis #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 ... edgarvlermamd - Nephrology ... Microscopy #Diagnosis #Nephrology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... hydronephrosis on U/S) • Reflux ... Sterile pyuria, WBC casts ... KidneyDisease #Nephrology ... Diagnosis #Algorithm #Causes
Possible Causes of Altered Urine Color 

Red 
    Foods: beets, blackberries, rhubarb
Possible Causes ... rhubarb Medications ... carrots Medications ... asparagus Medications ... Differential #Diagnosis #Nephrology
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
carcinoma (native kidney ... Prostate cancer • Medications ... differential #diagnosis #kidney ... #blood #urine # ... management #treatment #nephrology
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... tubular necrosis (causes ... tract infection • Medications ... #AKI #Acute #Kidney ... Classification #diagnosis #nephrology