14 results
nephrology diagnosis differential management causes low hypernatremia hypotonic lazy physiologic table volume
Hypernatremia Diagnosis and Workup Step 1 . Repeat the sodium concentration. Step 2. Check plasma osmolality. NORMAL PLASMA
Repeat the sodium ... EUVOLEMIC • SIADH ... • psychogenic polydipsia ... HYPERVOLEMIC • CHF ... #Algorithm #Nephrology
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
uric acid <4 • SIADH ... Glucocorticoid deficiency, Primary ... polydipsia Hypervolemic ... #algorithm #diagnosis ... #sodium #low #nephrology
Hyponatremia - Differential Diagnosis Algorithm Hypovolemic - Give volume Hypervolemic (Edematous) - Look for and treat underlying cause
underlying cause (CHF ... Solute Intake - Primary ... Polydipsia ... , SSRIs) - SIADH ... diagnosis #nephrology #sodium
Primary Polydipsia Definition: Excessive volitional water intake Epidemiology: • 6-20% of patients with psychiatric disorders - Most commonly
Primary Polydipsia ... Pseudohyponatremia, SIADH ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Algorithm Hypertonic ... OFF (UNa > 30): SIADH ... (UOsm < 100): Primary ... polydipsia, Low ... #sodium #nephrology
Hyponatremia Treatment Algorithm CHF, Cirrhosis - Fluid restriction SIADH - Fluid restriction - Consider salt tablets if etiology
Hyponatremia Treatment ... Algorithm CHF ... Fluid restriction SIADH ... diuresis) 1° polydipsia ... #Treatment #Algorithm
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 ... water intake (Primary ... polydipsia), Low
Causes of Hyponatremia - Differential Diagnosis Algorithm Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... suppression • Primary ... polydipsia •
Causes of Hyponatremia - Differential Diagnosis Algorithm Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... suppression • Primary ... polydipsia •
Hyponatremia - Differential Algorithm Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP Hypotonic Hyponatremia: • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... • Euvolemia: SIADH ... Potomania, Psychogenic polydipsia ... Alcohol MH/CCF ... causes #nephrology #sodium
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