Complex Med Surg EXAM 2 Terms

Beta blockers - Answer Lower HR by reducing blood pressure and opening blood flow to improve blood flow. Calcium channel blockers - Answer Lower B/P and HR by preventing calcium from entering the heart and blood vessel walls. Atropine - Answer Increases HR Dopamine - Answer Increases HR by improving blood flow Dobutamine - Answer Increases HR by helping the heart pump blood. What medications will the nurse use to treat decreased after load? - Answer Dopamine, epinephrine, phenylephrine What medications will the nurse use to treat increased after load? - Answer Nitroglycerin (vasodilator), enalapril (ACE inhibitor), nifedipine (CCB) What can cause decreased contractility? - Answer Cocaine, heroin, heart attack, hypoxia, CCB, beta blockers What can cause increased contractility? - Answer Epinephrine, Digoxin, fear, anxiety, increased calcium