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Fluid & Electrolytes Matching
What does HCT measure?
The amount of space (volume) red blood cells take up in the blood.
What happens to the HCT level when a patient is hypovolemia?
HCT – increased
What does urine specific gravity measure?
Urine concentration
What is the normal value of urine specific gravity?
1.010-1.025
What happens to the HCT level when a patient is hypervolemia?
HCT decreased (diluted)
What is hypovolemia?
Abnormal loss of normal body fluids
Where is potassium found?
Intracellular fluid.
What are the clinical manifestations of hypovolemia?
Decreased BP; increased RR; Postural hypotension; Weak, rapid heart rate;Increased temperature; Dry mouth; thirst; Oliguria; concentrated urine; Decreased bowel sounds; Constipation; Decreased skin turgor; Flattened neck veins; Acute weight loss
What nursing diagnoses would be appropriate for a patient with hypervolemia?
Excess fluid volume; Ineffective airway clearance; Skin Integrity, Risk for Impaired; Body Image, Disturbed; (Potential complications: pulmonary edema, ascites)
What happens to the BUN level when a patient is hypervolemia?
BUN decreased (diluted)
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