Class 10 Flashcards
1
Q
Levothyroxine is used for
A
- Mild to severe hypothyroidism
- Used diagnostically in suppression test to differentiate suspected hyperthyroidism from euthyroidism (normal thyroid function)
2
Q
Adverse effects for Levothyroxine
A
- Overdose – hyperthyroidism – thyroid crisis.
- Thyroid crisis including angina, tachycardia, palpitations, hypertension, cardiac dysrhythmia, nausea and vomiting, diarrhea cramping, insomnia, tremors, headache, nervousness, irritability, weight loss, and fever/
3
Q
Levothyroxine nursing concerns
A
- Baseline vital signs (VS), body weight and fluid intake and output
- Obtain ECG and lab studies including T3, T4 and TSH
- Monitor pulse rate before each dose and don’t administer if heart rate greater than 100,
- Assess periodically for symptoms of hypothyroidism and hyperthyroidism
- Instruct patient take drug at the same time, preferably before breakfast
- Avoid foods with inhibition on thyroid hormones including strawberries, peaches, pears, cabbage, turnips, spinach, kale, cauliflower, radishes, and peas)
- Monitor blood glucose levels if patient is diabetic
4
Q
Medication for Hyperthyroidism
A
Propylthiouracil (Propyl-Thyracil, PTU)
5
Q
MOA of Propylthiouracil (Propyl-Thyracil, PTU)
A
- Inhibit thyroid hormone synthesis
- Suppress peripheral conversion of T4 to T3
6
Q
Symptoms of hyperthyroidism
A
Palpitations Heat intolerance Nervousness & Insomnia Breathlessness Increased bowel movements Light or absent menstrual periods Fast heart rate Trembling hands Weight loss Muscle weakness Warm moist skin Hair loss Staring gaze (exophthalmos)
7
Q
Symptoms of hypothyroidism
A
Fatigue Weakness Weight gain or increased difficulty losing weight Coarse, dry hair Dry, rough pale skin hair loss Cold intolerance Muscle cramps and frequent muscle aches Constipation Depression, irritability, memory loss Abnormal menstrual cycles Decreased libido