A client diagnosed with hypertension is prescribed atenolol (Tenormin). The nurse knows that this medication is a selective beta1 blocker and can be safely used for clients with which concurrent diagnosis?
1. Asthma
2. Diabetes
3. Heart failure
4. Hepatic disease
Correct Answer: 1
Rationale 1: Atenolol is a selective beta1-adrenergic blocker that blocks beta1 receptors in the cardiac tissue only. Since it does not affect the receptors in the lungs, there is less possibility of bronchospasm.
Rationale 2: Diabetic clients, when given atenolol, must monitor blood glucose frequently and report other possible signs of hypoglycemia, such as fatigue, hunger, or lack of concentration.
Rationale 3: Atenolol is a selective beta1-adrenergic blocker that blocks beta1 receptors in the cardiac tissue only. It depresses the myocardium, so these clients need regular assessments of cardiac function during therapy.
Rationale 4: Beta1 blockers should be used with caution in patients with severe hepatic disease, since its major route of excretion is the liver.
Global Rationale: Atenolol is a selective beta1-adrenergic blocker that blocks beta1 receptors in the cardiac tissue only. Since it does not affect the receptors in the lungs, there is less possibility of bronchospasm. Diabetic clients, when given atenolol, must monitor blood glucose frequently and report other possible signs of hypoglycemia, such as fatigue, hunger, or lack of concentration. Atenolol is a selective beta1-adrenergic blocker that blocks beta1 receptors in the cardiac tissue only. It depresses the myocardium, so these clients need regular assessments of cardiac function during therapy. Beta1 blockers should be used with caution in patients with severe hepatic disease, since its major route of excretion is the liver.
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