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diagnosis nephrology differential hyponatremia algorithm causes management treatment siadh table workup ebv heat heatstroke hypotonic hypovolemia illness low mechanism moodstabilizers
Hypernatremia Diagnosis and Workup Step 1 . Repeat the sodium concentration. Step 2. Check plasma osmolality. NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... mmol/L - true hyponatremia ... • nephrotic syndrome ... renal failure #Hypernatremia
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Utilizing Uric Acid ADH ... retention 1) Serum Osmolarity ... 2) Urine Osmolarity ... 3) Urine Sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
Hyponatremia (<135 ... asymptomatic to seizures ... urea causes the hyponatremia ... True hyponatremia ... #hyponatremia #ADH
Hypernatremia - Differential Diagnosis Workup Algorithm 1) Check Urine Osmolality: > 600 mOsm/kg - Implies extrarenal mechanism
1) Check Urine Osmolality ... insipidus (central or nephrogenic ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Algorithm #nephrology #sodium
Hyponatremia - Diagnosis and Treatment Hyponatremia is usually caused by the inability to excrete water normally.
majority of cases, ADH ... 2) Is ADH elevated ... demyelination syndrome ... of symptomatic (seizures ... management #nephrology #sodium
Modified Hyponatremia Algorithm Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants Hypotonic Hyponatremia: • ADH ON (UOsm > 100):
Modified Hyponatremia ... : • ADH ON (UOsm ... Cirrhosis, Nephrotic syndrome ... salt wasting • ADH ... Algorithm #diagnosis #sodium
Hyponatremia Diagnostic Algorithm 1) Check serum osmolality 2) Check urine osmolality 3) ADH Dependent - Check volume status, urine
Hyponatremia Diagnostic ... 1) Check serum osmolality ... 2) Check urine osmolality ... 3) ADH Dependent ... status, urine sodium
Etiologies of Hypernatremia - Differential Diagnosis GI losses / Insensible losses Sodium Overload Transcellular Movement of Water Central Diabetes Insipidus
Etiologies of Hypernatremia ... Insensible losses Sodium ... Insipidus (Decr ADH ... congenital disorders Nephrogenic ... Insipidus (Incr ADH
Physiologic Approach to Hypotonic Hyponatremia The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... : SIADH, Renal Sodium ... Cirrhosis, Nephrotic syndrome ... diagnosis #table #sodium
Hyponatremia - Differential Diagnosis Algorithm Hypovolemic - Give volume Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... cirrhosis, nephrotic syndrome ... • UOsm > 300 - ADH ... - Appropriate ADH ... diagnosis #nephrology #sodium
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