Beta Blockers Flashcards
1
Q
Beta I effects and Beta II effects
A
Beta I: Constriction of vascular smooth muscle
Beta II: Constriction of bronchial smooth muscle and decrease release of glucose from liver
2
Q
BB Random Fact - Specific Uses
A
- Atenolol does not have reduced CV outcomes in HTN tx
»> don’t use for HTN - Metoprolol short-acting can be used post MI but not succinate (long-acting)
- Propranolol can be used to treat pheochromocytoma (adrenal tumor)
- Acebutolol can be used for ventricular arrhythmias
- BB can be given for performance anxiety
3
Q
BB used for Angina
A
nadolol, propanolol, atenolol, bisoprolol, metoprolol
4
Q
BB used for HF
A
carvedilol, bisoprolol, metoprolol, nebivolol,
5
Q
BB Cardiac Adverse Effects (6)
A
Bradycardia Hypotension Decreased exercise capacity AV Block Heart Failure Masking of Hypoglycemia
6
Q
BB Non Cardiac Adverse Effects (11)
A
Fatigue Dizzy Weak NV Abd Pain Sexual Dysfunction Hyperglycemia Bronchospasm (asthmatic pts at higher risk) Raynauds at risk for exacerbation Hyper/Hypoglycemia Insomnia/Nightmares (effects with melatonin)
7
Q
BB and COPD/Asthma
A
USE Cardioselective Blockers
- Metoprolol
- Betaxolol
- Bisoprolol
- Atenolol
- Nebivolol
DO NOT USE Non cardioselective Blockers
- Nadolol
- Propanolol
- Timolol
8
Q
BB Contraindications
A
2nd or 3rd degree heart block
cardiogenic shock
bradycardia
9
Q
BB and Heart Failure
A
NOT contraindicated
- but should be intiated in acute exacerbation
10
Q
BB OTHER NOTES (4)
A
- Start within 24hrs of AMI admission
- Use with care in diabetic patients (both)
- Titrate to DC
- BB are substrates of CYP2D6
11
Q
BB used for A Fib
A
nadolol, propanolol, atenolol, bisprolol, metoprolol
