14 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... Neurologic trauma • Drugs ... • Reduced GFR, AKI ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... Neurologic trauma • Drugs ... • Reduced GFR, AKI ... #Nephrology #Differential
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Cirrhosis, Nephrotic syndrome ... > 30): SIADH, Medications ... Primary polydipsia, Low ... #sodium #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... High Al, High R - Secondary ... Differential #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... Hypertension • Medications ... , Drugs, Chemo: ... Anti VEGF agents, TKI ... tumor • Other low
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... Thyrotoxicosis Medications ... vomiting) • Low ... #nephrology #low ... #potassium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia), Low ... table #sodium #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... Impaired forward flow ... inhibitors, hepatorenal syndrome ... nephropathy • Secondary ... Differential #Diagnosis #nephrology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
vasoconstriction syndrome ... Toxic: Alcohol, Medication ... , Recreational drugs ... Hyperglycemia, Hyponatremia ... #Causes #neurology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Differential Diagnosis Algorithm ... hypertension (multi-drug ... • AKI/CKD Mineralocorticoid ... #Nephrology #Differential ... #Diagnosis #Algorithm