13 results
nephrology differential management hypernatremia low causes hypotonic oncology physiologic polydipsia table uricacid volume workup
A lazy man's classification of hyponatremia There are two possible approaches to the diagnosis of hyponatremia: .
serum osmolality, urine ... sodium). ... the patient has SIADH ... #Diagnosis #Hyponatremia ... #Algorithm #Differential
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 2) Urine ... Sodium 4) Serum ... Low Uric Acid → SIADH
Volume Based Approach to Hyponatremia Hypovolemic, Serum uric acid >4 • Urine Na <20: Extra-renal losses •
Based Approach to Hyponatremia ... uric acid <4 • SIADH ... Glucocorticoid deficiency, Primary ... #algorithm #diagnosis ... #sodium #low #nephrology
Primary Polydipsia Definition: Excessive volitional water intake Epidemiology: • 6-20% of patients with psychiatric disorders - Most commonly
hypothalamic thirst center ... : Diabetes Insipidus ... Pseudohyponatremia, SIADH ... 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 ... #Algorithm #diagnosis ... #sodium #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L High
- Differential Diagnosis ... Algorithm Hypernatremia ... water loss, Serum Sodium ... 145 mmol/L High Urine ... kg • Diabetes Insipidus
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 ... #differential #diagnosis
Hyponatremia - Differential Diagnosis Algorithm Hypovolemic - Give volume Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... Solute Intake - Primary ... , SSRIs) - SIADH ... #Algorithm #diagnosis ... #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm 1) Check Urine Osmolality: > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... 1) Check Urine ... Euvolemic: Diabetes insipidus ... #nephrology #sodium
Hypernatremia - Differential Diagnosis and Treatment Hypernatremia is almost always due to unreplaced water loss (free water
Diagnosis is primarily ... history, exam, and urine ... DI; high dilute urine ... post-obstructive 3) Diabetes Insipidus ... #nephrology #sodium
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