Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... - Diabetes Insipidus ... #Management #Algorithm ... #Sodium #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... - Urine sodium ... #Differential # ... Algorithm #Diagnosis ... #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Sodium 4) Serum ... Diagnosis #Algorithm ... #nephrology #sodium
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
approaches to the diagnosis ... serum osmolality, urine ... osmolality and urinary sodium ... #Diagnosis #Hyponatremia ... #Algorithm #Differential
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... DI; high dilute urine ... post-obstructive 3) Diabetes Insipidus ... #management #nephrology ... #sodium
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
Hyponatremia Diagnostic ... sodium, uric acid ... #Diagnosis #Algorithm ... #differential # ... hyponatremia #nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 β€’ Osmolality, Urine AND/OR
 β€’ Osmolality, Serum or Plasma AND
 β€’
Diabetes Insipidus ... - Diagnosis Algorithm ... Plasma AND β€’ Sodium ... #Diagnosis #Algorithm ... #nephrology #differential
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 β€’ 6-20% of patients with psychiatric disorders - Most commonly
Differential Diagnosis ... : Diabetes Insipidus ... Osm, Serum Sodium ... , Urine Sodium ... #management #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 ... #differential # ... diagnosis #table ... #sodium #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Measure urine osmolality ... #Differential # ... #management #nephrology ... #sodium