Water and Sodium Disorders

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Can you name the Water and Sodium Disorders?

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QuestionAnswerExtra Info
Where does demyelination occur in osmotic demyelination?
This type of hypotonic hyponatremia is a result of chronic congestive heart failure, portal hypertension or nephrotic syndrome
THis provides the ultimate protection against hypernatremia
Thrist is stimulated when serum osmolarity rises above _______ mOsm/kg
What is the treatment for nephrogenic DI?
Hypoosmolarity is a serum osmolarity of less than:mOsm/kg
Rapid correction of chronic hyponatremia may casue
What is the treatment for central DI?nasal spray
Decreased ADH production due to a primary increase in water intake in psychogenic (primary) polydipsia induces
What is the mechanism for hypernatremia in diabetes insipidus?
Loss of potassium from EFC causes movement of potassium___ of the ICF
Acute hyponatremia can cause death from the effects of
What is the treatment for psychogenic (primary) polydipsia?Manage psychiatric disorder and avoid drugs that cause dry mouth
In hypernatremia correct ___% of the water deficit in the first 12-24 hours
A condition that reflects the inability of the kidneys to handle the excretion of free water to match oral intake
An elderly patient with diminished mental status has an infection. What is their likely sodium status?
This condition is usually the result of severe hyperglycemia, which causes a dillutional effect by shifting water out of the ICF
This type of hypotonic hyponatremia is a result of SIADH (syndrome of inappropriate secretion of ADH), or hypothyroidism
The most common cause of acute hyponatremia is
Do not increase plasma sodium concentration more than _____ mEq/L/day
Ingestion of hypertonic NaCl or sodium bicarbonate can lead to this:
This type of hypotonic hyponatremia is a result of contracted ECF volume from diarrhea, vomiting, etc
_______ is suppressed in conditions of hypotonicity, causing a dilute urine
_______ secretion is stimulated in conditions of volume depletion or hypertonicity, causing water to be reabsorbed and a concentrated urine to be excreted
Polyuria is defined as an output of > ____ L/day
CNS effects in hypernatremia are due to:
Hypernatremia is defined as plasma sodium above:
Condition where renal tubules do not respond normally to ADH
In diabetes insipidus this is the additional symptom in hypernatremia
Hyponatremia is a plasma sodium concentration of less than

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