UNIT 9 Vitamin D Analogue CHAPTER 49 Flashcards
Parathyroid
4 GLANDS LOCATED ON THE BACK OF THE THYROID
GLAND
* PARATHYROID HORMONE (PTH): REGULATES
CALCIUM LEVELS IN THE BLOOD.
* PROMOTES CALCIUM RELEASE FROM BONE
* PROMOTES CALCIUM ABSORPTION FROM GI TRACT
* PROMOTES CALCIUM REABSORPTION IN KIDNEYS
PARATHYROID GLAND
S/S OF HYPOPARATHYROIDISM
PARATHYROID DISORDERS (PARATHYROID HORMONE
DEFICIENCY)
* LOW CALCIUM ASSOCIATED WITH CRF
* DECREASE BONE RESORPTION
* TREATMENT
* CALCITRIOL
* CLASS – VITAMIN D ANALOG
* ACTION
* PROMOTES CALCIUM ABSORPTION FROM GI TRACT
* DECREASES BONE RESORPTION (SECRETION OF CALCIUM FROM BONE TO
BLOOD)
* ENHANCES CA REABSORPTION BY KIDNEYS
* NET EFFECT: INCREASE SERUM CALCIUM LEVEL
Drug of choice Calcitrol
SIDE EFFECTS
* FATIGUE, WEAKNESS, SOMNOLENCE, N/V, DIARRHEA, CRAMPS,
DIZZY/DROWSY, ANOREXIA
- ADVERSE REACTIONS
- HYPERCALCEMIA, ARRYTHMIAS, HTN
- CONTRAINDICATIONS/INTERACTIONS
- CARDIAC DISEASE, RENAL CALCULI, MALABSORPTION
SYNDROME - DIGOXIN, VERAPAMIL
- CAN INCREASE CALCIUM WITH THIAZIDE DIURETICS AND CALCIUM SUPPLEMENTS
Nursing Process Calcitrol
ASSESSMENT
* SERUM CALCIUM LEVEL – 9-10.5 MG/DL
* SIGNS AND SYMPTOMS OF HYPOCALCEMIA – TWITCHING OF
MOUTH, TINGLING AND NUMBNESS OF FINGERS,
CARPOPEDAL SPASMS, MUSCLE SPASMS
* INTERVENTIONS
* MONITOR SERUM CALCIUM LEVEL AND FOR S/S OF
HYPOCALCEMIA
* TEACH PATIENT TO REPORT S/S OF HYPOCALCEMIA
* CHEVOSTEK AND
TROUSSEAU SIGNS
Normal range for calcium
9-10.5