17 results
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
- Differential Diagnosis ... inhibitors, hepatorenal syndrome ... Interstitial Nephritis ... #KidneyInjury # ... #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
casts are seen in acute ... tubulointerstitial nephritis ... tuberculosis Fatty - Nephrotic ... syndrome ("Maltese ... Differential #Microscopy #Diagnosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Kidney Phosphate Excretion ... , Acute Respiratory ... • N Vitamin D: Primary ... #Algorithm #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... renal potassium excretion ... • Acute renal ... • Interstitial nephritis ... Renin High: • Primary
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal Excretion ... • Diagnosis of ... Inhibitors of Na+K+2Cl ... Torsemide) • Acute ... insipidus • Primary
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... antidiuretic hormone secretion ... UNa > 20: • Acute ... , UNa < 20 • Nephrotic ... Algorithm #Causes #nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
- Differential Diagnosis ... • Hepatorenal syndromes ... Interstitial Nephritis ... #KidneyInjury # ... Nephrology #Differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... paraproteinemia, acute ... Urine Fractional Excretion ... Insulin/Glucose, Acute ... Normal or High PTH: Primary
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... interstitial nephritis ... Classification #diagnosis ... #nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... circulating volume, Urinary ... obstruction, Nephrotoxic ... you confirmed diagnosis ... #KidneyInjury #