50 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Physiologic Approach ... time you have a case ... normal volume-based algorithm ... Present (Uosm ≥100): Hypovolemia ... table #sodium #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... #Nephrology #Differential
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... When to suspect AIN ... sensitive) • AKI ... associated with AIN ... #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... Malignancy True hypovolemia ... • Reduced GFR, AKI ... #Nephrology #Differential
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Algorithm UOsm ... EABV) - Consider: Hypovolemia ... Primary polydipsia, Low ... #differential #algorithm ... #causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... B12 injections in ... vomiting) • Low ... Differential #Diagnosis #Algorithm ... #nephrology #low
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach ... require urgent nephrology ... common culprits: Hypovolemia ... , Low effective ... CONSIDER INTRINSIC CAUSES
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... - Urine sodium low ... in euvolemic hyponatremia ... #Differential #Algorithm ... #Diagnosis #Nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... ON (UNa < 30): Hypovolemia ... Primary polydipsia, Low ... #Algorithm #diagnosis ... #sodium #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... filling of bucket (low ... Differential #Diagnosis #Algorithm ... #nephrology