55 results
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... - Differential Diagnosis ... Pre-Renal: • Hypovolemia ... Abdominal Compartment Syndrome ... #nephrology #causes
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... acute and chronic kidney ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Approach to Acute Kidney ... common culprits: Hypovolemia ... PROBLEM ~80% of AKI cases ... 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.
and Nephrotic Syndromes ... RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology ... #Diagnosis
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... ↑ Aldosterone: Kidney ... #hypokalemia ... differential #algorithm #diagnosis ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
differentiating kidney ... A urine K/Cr ratio ... • Diarrhea A urine ... #diagnosis #Algorithm ... differential #potassium #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
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... and concentrated urine ... breakdown of cellular casts ... heme-granular casts ... 34t5DgJ #Urinary #Casts
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
• White cell casts ... infection • Hyaline casts ... disease • Granular casts ... disorders or excreted medications ... #nephrology #casts
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
, Differential Diagnosis ... - Nephrotic syndrome ... Acute and chronic kidney ... Glucocorticoid deficit - Hypokalemia ... #Table #Causes