13 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... history Step #2 ... Uglucose Step #3 ... Management #Algorithm #Sodium ... #nephrology #insipidus
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Cerebral Salt Wasting ... Neurological event 2) ... Sodium loss from ... tubules 3) Naturiesis ... #hyponatremia #
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Serum Osmolarity 2) ... Urine Osmolarity 3) ... Urine Sodium 4) ... #Differential #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: SIADH, Renal Sodium ... Insufficiency, Cerebral ... #differential # ... diagnosis #table #sodium ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... renal mechanism 2) ... Euvolemic: Diabetes insipidus ... #Differential # ... #sodium
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
water unavailable 2) ... post-obstructive 3) ... Diabetes Insipidus ... patients at risk for cerebral ... #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
approach to the differential ... 2) Is ADH elevated ... #Differential # ... Treatment #management #nephrology ... #sodium
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
serum osmolality 2) ... urine osmolality 3) ... status, urine sodium ... Diagnosis #Algorithm #differential ... nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... occurs in only 2- ... Differential Diagnosis ... : Diabetes Insipidus ... , Urine Sodium
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... declines > ALT) • AKI ... Hyperuricemia • Hyponatremia ... + myoglobin AKI ... obstruction 3.