34 results
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Kidney Injury (AKI ... Pre-Renal: • Hypovolemia ... Abdominal Compartment Syndrome ... Differential #Diagnosis #nephrology ... #causes #algorithm
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... Present (Uosm ≥100): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Tumor lysis syndrome ... Elimination: • AKI ... blockers - MCW Nephrology ... Differential #Diagnosis #Causes
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
ON (UNa < 30): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... OFF (UNa > 30): SIADH ... , Medications (diuretics ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... #Hyponatremia #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
there a dialysis indication ... require urgent nephrology ... common culprits: Hypovolemia ... CONSIDER INTRINSIC CAUSES ... workup #diagnosis #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
overdose) - Sodium ... renal Fanconi syndrome ... hypomagnesemia #Medications ... differential #diagnosis #nephrology ... #Causes #hypomg
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... post-operative phenomenon, medications ... promoting passive sodium ... #hyponatremia #nephrology ... #treatment
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
treat underlying cause ... cirrhosis, nephrotic syndrome ... , SSRIs) - SIADH ... Algorithm #diagnosis #nephrology ... #sodium