6 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... EUVOLEMIC • SIADH ... HYPERVOLEMIC • CHF ... #Diagnosis #Workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... 1) Check Urine ... Euvolemic: Diabetes insipidus ... #Workup #Algorithm ... #nephrology #sodium
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 ... , Renal Sodium loss ... #differential #diagnosis ... #table #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
: Diabetes Insipidus ... Pseudohyponatremia, SIADH ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... 3 questions to work ... Measure urine osmolality ... include vaptans (HF ... #nephrology #sodium
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
status and low urine ... #algorithm #management ... #cardiology #treatment ... #table #foamed ... #heartfailure #chf