314 Electrolytes Flashcards
What diagnosis tools are used for electrolyte imbalances
CMP-complete metabolic panel
BMP- basic Metabolic panel
Why are aging adults at higher risk for electrolyte imbalances
Impaired thirst response
Renal disease
Impaired mobility
Polypharmacy
Increased laxative use
What is the main extra cellular fluid cation?
Sodium
What electrolyte plays a major role in ECF volume and concentration?
Sodium
What electrolyte plays a major role in generating and transmitting nerve impulses
Sodium
What electrolyte plays a major role in muscle contractility
Sodium
What electrolyte plays a major role in regulating acid base balance
Sodium
Potassium
Euvolemia = ?
Hypovolemia =?
Hypervolemia =?
Normal hydration
Low blood volume
High blood volume
Sodium level of under 135 is what
Hyponatremia
Cellular swelling and slow depolarization of membranes are physiological changes caused from what
Hyponatremia
Symptoms of HA, irritability, difficult concentrating can be mild presentation of hyponatremia. What are the severe symptoms.
Neurological-confusion
Vomiting, seizures, coma, respiratory distress, decreased dtr
If hyponatremia is present would you be hypovolemic or hypervolemic?
Can be either depending on fluid volume
Sodium replacement should be quick or slow?
Slow
Sodium levels of over 145 is what
Hypernatremia
Diabetes insipidus can be a cause of what sodium imbalance
Hypernatremia
Glucocorticoid medications can be a cause of what electrolyte imbalance
Hypernatremia
Presentation of thirst, dry mucous membranes, neurological issues such as restless, twitching, irritability, respiratory compromise, seizures or comas can mean what electrolyte imbalance?
Hypernatremia
For a patient with dehydration and hypernatremia, how do you treat?
Monitor LOC
Replace with non-saline isotonic fluids
Encourage water intake
Low sodium diet,
Monitor weight
If client has poor kidney excretion- diuretics might be used
What is a major cation in the ICF which levels are mostly controlled by the kidneys
Potassium
What electrolyte plays a role in cell metabolism
Potassium
What electrolyte plays a role in cell Transmission of nerve impulses
Potassium
What electrolyte plays a role in cardiac function
Potassium
What electrolyte plays a role in muscle tissue
Potassium
If a patient has potassium of under 3.5 it is what
Hypokalemia