FLUID/ELECTROLYTES Flashcards
What are the prototype drugs mentioned for fluid volume and electrolytes?
Potassium, Calcium, Vitamin A, Vitamin C, Iron
What are the key assessments for fluid balance?
Daily weight, lung assessment, skin turgor, telemetry, JVD/flat veins, capillary refill, I&O, vital signs
What are the signs and symptoms of fluid volume deficit (FVD)?
Dehydration or shock, concentrated urine, dry/brittle skin, changes in vital signs, LOC
What causes fluid volume deficit (FVD)?
GI fluid loss, vomiting, diarrhea, laxatives, suctioning, perspiration, burns, hemorrhage, excessive diuresis, ketoacidosis
What are the signs and symptoms of fluid volume excess (FVE)?
JVD, edema (generalized and pulmonary), low osmolality urine, changes in vital signs
How can fluid volume excess (FVE) be treated?
Diuretics, sodium restriction
What is the significance of a weight gain of 1 kg (2.2 lbs)?
It is equivalent to 1 liter of fluid
What are the four types of IV solutions?
- Crystalloids (replacement & maintenance) * Colloids (volume expanders) * Blood and blood products * Lipid emulsion
What are isotonic IV solutions?
- Normal Saline (NS) * Lactated Ringer’s (LR) * D5W
What is the function of hypertonic IV solutions?
Pulls water from ICF to ECF
What are the normal potassium levels?
3.5-5 mEq/L
What interventions are recommended for hypokalemia?
- Eat potassium-rich foods * Oral potassium supplements * IV potassium (diluted) * Monitor ECG
What is the management for mild hyperkalemia?
K restriction, increase elimination of K
What are signs of hyperkalemia?
Peaked T wave, flat P wave, wide QRS, prolonged PR interval
What are the normal sodium levels?
135-145 mEq/L
What are the symptoms of hyponatremia?
- Thirst * Tachycardia * Hypotension * Lethargy * Confusion * Muscle weakness
What is the management for severe hyponatremia?
Hypertonic saline (3% or 5%)
What are the normal calcium levels?
8.6-10.2 mg/dL
What signs indicate hypocalcemia?
- Trousseau’s sign * Chvostek’s sign
What are the causes of hypercalcemia?
- Prolonged immobilization * Thiazide diuretics * Excess calcium intake * Vitamin D overdose * Hyperparathyroidism
What is the management for hypocalcemia?
- Oral calcium carbonate * IV calcium for symptomatic patients * Increase calcium and vitamin D intake
What are fat-soluble vitamins?
- Vitamins A
- Vitamins D
- Vitamins E
- Vitamins K
What are water-soluble vitamins?
- Vitamins B complex
- Vitamin C
What is the primary function of Vitamin A?
Eyesight, skin, gums, teeth, hair glands