Page 1785 - Saunders Comprehensive Review For NCLEX-RN

3. Used for angina, dysrhythmias, or hypertension
4. Should be used with caution in the client with heart
failure, bradycardia, or atrioventricular block

B. Side and adverse effects

1. Bradycardia
2. Hypotension
3. Reflex tachycardia as a result of hypotension
4. Headache
5. Dizziness, lightheadedness
6. Fatigue
7. Peripheral edema
8. Constipation
9. Flushing of the skin
10. Changes in liver and kidney function

C. Interventions

1. Monitor vital signs.
2. Monitor for signs of heart failure.
3. Monitor liver enzyme levels.
4. Monitor kidney function tests.
5. Instruct the client not to discontinue the medication.
6. Instruct the client in how to take the pulse.
7. Instruct the client to notify the PHCP if dizziness or
fainting occurs.
8. Instruct the client not to crush or chew sustained-
release tablets.
XIII. Peripheral Vasodilators (Box 53-16)
A. Description
1. Peripheral vasodilators decrease peripheral resistance
by exerting a direct action on the arteries or on the
arteries and the veins.
2. These medications increase blood flow to the
extremities and are used in peripheral vascular
disorders of venous and arterial vessels.
3. Peripheral vasodilators are most effective for disorders
resulting from vasospasm (Raynaud’s disease).
4. These medications may decrease some symptoms of
cerebral vascular insufficiency.
B. Side and adverse effects
1. Lightheadedness, dizziness
2. Orthostatic hypotension
3. Tachycardia
4. Palpitations
5. Flushing
6. Gastrointestinal distress

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