8 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... HYPERVOLEMIC • CHF ... renal failure #Hypernatremia ... #Algorithm #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - ... Check Urine Osmolality ... Extrarenal Hypernatremia ... Ingestion Renal Hypernatremia ... MatthewHoMD #Hypernatremia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Euvolemic; no physiologic ... especially thiazide diuretics ... Hypo-osmolar urine ... osmole intake #Hyponatremia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Euvolemic; no physiologic ... especially thiazide diuretics ... Hypo-osmolar urine ... osmole intake #Hyponatremia
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... normal volume-based algorithm ... Urine Na+K / serum ... #Hypotonic #Hyponatremia
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... and Treatment Hyponatremia ... 3 questions to work ... through a physiologic ... Measure urine osmolality
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... with symptomatic hyponatremia ... Primary Polydipsia Physiology ... hypothalamic thirst center ... intoxication Initial Workup
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
status and low urine ... excreted using diuretics ... #differential #algorithm ... #treatment #table ... #heartfailure #chf