14 results
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Urologic irrigants Hypotonic ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia, Low ... #sodium #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... 300 mmol/kg • Hypertonic ... mannitol, glucosuria Low ... #Nephrology #Differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
of hypotonic hyponatremia ... normal volume-based algorithm ... Urine Na+K / serum ... Cirrhosis, Nephrotic syndrome ... #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... Cirrhosis, Nephrotic Syndrome ... #diagnosis #causes ... #nephrology #sodium ... #low
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Differential Diagnosis Algorithm ... Urine Cl-: Vomiting ... (late) • High Urine ... #Nephrology #Causes
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... #algorithm #diagnosis ... #sodium #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... • Euvolemic (Low ... , Cushing syndrome ... #nephrology #sodium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... • Normal/low ... , Gitelman syndrome ... the indicated causes ... #Algorithm #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... cirrhosis, nephrotic syndrome ... , CNS Disease, Meds ... #diagnosis #nephrology ... #sodium
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... A urine K/Cr ratio ... - Metabolic Alkalosis ... differential #potassium #nephrology ... #low