7 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential Diagnosis ... Insipidus Workup ... history Step #2 ... & desmopressin test ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... renal mechanism 2) ... Euvolemic: Diabetes insipidus ... #Workup #Algorithm ... #nephrology #sodium
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... - Diagnosis Algorithm ... Plasma AND • Sodium ... Osmolality, Urine 1-2 ... #Diagnosis #Algorithm
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
2) HISTORY/PHYSICAL ... common culprits: Hypovolemia ... #Acute #KidneyInjury ... #simplified #workup ... #diagnosis #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... Present (Uosm ≥100): Hypovolemia ... #differential #diagnosis ... #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... , RTA Type IV, AI ... reabsorption) Workup ... Cortisol+ACTH stim test ... 10U reg IV + 1-2
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
occurs in only 2- ... dysfunction - K+ ... intoxication Initial Workup ... , Urine Sodium ... #management #nephrology