Cardiopharmacology Flashcards
Methyldopa
MOA: alpha 2 agonistUse: HTN in PregnancyAE: Direct Coombs+ hemolysis, SLE-like syndromeDDI: TCA decreases effects (Direct Opposition)
B-Blockers and MI?
Decreases Mortality
B-Blockers in SVT?
Metoprolol and esmololClass II anti-arrhythmic
Which B-Blockers are Beta 1 selective?
A-M
Which B-Blockers are Non-selective?
N-Z
Acebutalol and pindolol
MOA: partial B agonistNo change in Blood lipidCan Bronchodilate
Propanolol
Use: 1. CNS=>Sedation 2. inhibits deiodination
B-Blockers AE?
Cardiovascular depression (Heart Block)Increased LDL and TGs
With B-Blockers, watch out in people with what diseases?
Asthma, Vasospastic disorders, DM (masks hypoglycemia)
Hydralazine MOA?
MOA: dilates arteries (cGMP smooth muscle relaxation via NO)
Hydralazine AE?
AE: SLE-Like Syndrome (high protein binding)
Are Hydralazine and methyl dopa safe to use in pregnancy? What else should be added to these drugs?
Yes; Diuretics (HCTZ)
What is DOC IV of Hypertensive emergency?
Nitroprusside
Nitroprusside AE? What is the problem with the AE? What can you give together to stop this problem?
CN toxicity=>binds to complex 4 of ETCNitrites=>methemoglobinemia Hb (Fe3+)=>binds to CN and releases O2Thiosulfate=>binds to CN
Verapamil/Diltiazem
MOA: non dihyropyridine CCB blockers in Heart (verampil=ventricles)AE: Hyperprolactinemia (verapamil) and AV Block, Constipation (verapamil)
Nifedipine and other “dipines” MOA? AE?
MOA: Blocks L-type Ca2+ channels in peripheral vascular smooth muscle=>vasodilateAE: Gingival hyperplasia, Raynaud Phenomenon