Beta blockers "olol's"

Question 1

Beta blockers action

Answer 1

Blocks beta-adrenergic receptors in the heart & kidneys
↓ the influence of the SNS on these tissues
↓ cardiac output & release of renin

Question 2

Beta blockers drug names

Hint: end in “olol”

Answer 2

Atenolol
Metoprolol
Propranolol
Nadolol

Question 3

Beta blockers contraindications

Answer 3

Bradycardia
Heart block
Cardiogenic shock (❤️ already in inability to fxn)
Asthma or COPD (due to bronchospasm)
Pregnancy & lactation

Question 4

Beta blockers caution

Answer 4

DM (↑ masking S&S of hypoglycemia)
PVD (meds make these conditions worse)
Thyrotoxicosis (meds make these conditions worse)

Question 5

Beta blockers indications

Answer 5

Tx of stable angina pectoris & HTN
Prevents reinfarction in MI patients
Tx stable CHF

Question 6

Beta blockers Drug-drug interactions

Answer 6

Clonidine (↑ risk of parydoxical HTN)

NSAIDs (↓ in beta blocker effects)

Question 7

Beta blockers adverse effects

Answer 7

Related to their blockage of SNS
CNS: Dizziness, fatigue, emotional depression
GI: Nausea, vomiting, colitis
CV: CHF, ↓ cardiac output & arrhythmias (brady)
Respiratory: Bronchospasm, dyspnea & cough (difficulty breathing)

Question 8

Beta blockers Nursing implications

Answer 8

HX & physical, allergies
Baseline of level of orientation
Cardio pulmonary status
Pulse, BP, resp rate, listen to lungs, ECG, bowel sounds
Labs: Liver/Kidney; electrolytes
Do not stop drugs abruptly if been on it chronically; gradually over 2wks; rebound HTN can occur
IV then monitor continuously
Monitor BP, pulse rhythm & cardiac output regularly
Response to drug
Teach to do their own pulse
Follow up appointments
Safety, no dizziness, weakness & fatigue
alleviation of S&S of angina
Let us know of loss of libido & impotence (so they don’t stop beta blocker)

Question 9

Beta blockers prototype

Answer 9

Metoprolol

Question 10

Metoprolol action

Answer 10

Blocks beta-adrenergic receptors in the heart & kidneys

↓ cardiac output; results in lower BP & ↓ cardiac workload

Question 11

Metoprolol adverse effects

Answer 11

Dizziness
vertigo
heart failure
arrhythmias
gastric pain
flatulence
diarrhea
vomiting
impotence
↓ exercise tolerance

Question 12

Metoprolol indications

Answer 12

Tx stable angina pectoris
Tx HTN
Prevention of reinfarction in MI patients
Tx heart failure