SNS Blockers; Beta-Blockers

Question 1

What is the action?

Answer 1

Blocks beta receptors in the ❤️
↓ HR, Cardiac Muscle contraction
Vasodilates → ↑ Blood flow to kidney leads to a ↓ in the release of renin

Question 2

What is the selective beta-blocker drug names?

Hint: end in “olol”

Answer 2

atenol

Metoprolol

Question 3

What is the action of the selective beta-blocker drugs?

Answer 3

block beta receptors in heart only

Question 4

What is the non-selective beta-blocker drug name?

Answer 4

Propranolol

Question 5

What is the action of the non-selective beta-blocker drug?

Answer 5

Block all beta receptors; more adverse effects

Question 6

What are the contraindications?

Answer 6

Acute/Unstable Heart Failure
Bradycardia & heart block
Bronchospasm
COPD
Acute asthma

Question 7

What are the cautions?

Answer 7

Renal/Hepatic dysfunction

Diabetes (blood glucose levels in hypo/hyper glycemia)

Question 8

What are the drug-drug interactions (DDI)?

Answer 8

Clonidine
NSAIDs
Insulin/Hypoglycemic agents

Question 9

What are the indications (use for)?

Answer 9

HTN
Angina
tachyarrhythmias
Migraine HA
MI
Glaucoma
Heart Failure
Hyperthyroidism

Question 10

What are the adverse effects?

Answer 10

CNS: Headache, Fatigue, dizziness, depression, insomnia, disorientation, memory loss
CV: Bradycardia & hypotension
Pulmonary: Bronchospasm’s, laryngospasm’s, cough, pulmonary edema
GU: ↓ libido & impotence
alterations in glucose levels

Question 11

What are the nursing implications?

Answer 11

Monitor glucose closely in diabetic patients
Hx of lung conditions
take apical pulse prior to meds; hold if below 60bpm
Hx: contraindications & cautions
CNS; cardiac, respiratory, abdominal, urinary, perfusion
Vitals ECG
Labs: electrolytes, renal/hepatic function, glucose
Lifestyle modifications
change positions slowly
Do not crush extended-release formulations