Drugs to prevent deterioration of cardiac function - CHF Flashcards
What are 4 ACEi’s?
Captopril
Lisinopril
Benazepril
Enalapril
What are 4 ACEi’s?
Captopril
Lisinopril
Benazepril
Enalapril
MOA for ACEi’s?
(-) ACE (angiotensin converting enzyme) from converting Angiotensin 1 to Angiotensin 2
Actions of Angiotensin 2?
- Cardiac hypertrophy
- Vasoconstriction of blood vessels to increase afterload
- Aldosterone release to increase preload
What is the half life and side effects of Captopril?
(ACEi)
- half life = 1.7 hours
=> Angioedema, cough, fetal toxicity
Which ACEi is used via IV?
Enalapril
Which ACEi’s have longer half lives than Captopril?
Lisinopril
Benazepril
What are 3 ARBs?
Losartan
Valsartan
Candsartan
What are 3 ARBs?
Losartan
Valsartan
Candesartan
MOA for ARBs?
Angiotensin 2 Receptor Blockers
Which ARB is NOT a prodrug?
Valsartan
Which ARB has high affinity for AT1 receptor of Angiotensin 2?
Losartan
Which ARB binds irreversibly?
Candesartan
Between ACEi and ARBs which are more favorable?
ACEi
What are the contraindications for ACEi and ARBs?
- Pregnancy –> fetal toxicity
- Hypotension
- Hyperkalemia
- Serum Creatine > 3
What are the contraindications for ACEi and ARBs?
- Pregnancy –> fetal toxicity
- Hypotension
- Serum Creatine > 3
- Hyperkalemia
What drug can be added to Valsartan (ARB) to increase levels of ANP and BNP?
Sacubitril
MOA for Sacubitril and what is added to and what it does?
MOA - (-) Neprilysin
- Added to Valsartan (ARB)
= Increases levels of ANP and BNP
Valsartan and Sacubitril are both _____
Co-cyrstalized
What are 3 beta blockers?
Carvedilol
Metoprolol
Bisaprolol
What are 3 beta blockers?
Carvedilol
Metoprolol
Bisoprolol
Carvedilol (beta blocker) can be used with the patient has a history of? And in what type of patients?
MI, ACS or HFrEF
– Low doses in STABLE patients
What is the major warning when using Beta Blockers?
Do NOT withdraw them abruptly!!
- Must taper to avoid tachycardia, hypertension and ischemia
MOA for Ivabradine and what that results in?
(-) funny channels within the SA node
= Prolongs diastole and slows HR