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5 Written Questions

5 Matching Questions

  1. Beta 1
  2. Class IV drugs
  3. Catecholamines
  4. Beta 2
  5. Epinephrine (Adrenalin) low dose
  1. a < 2 mcg/min (not weight related) has a beta 2 effect and vasodilates
  2. b Peripheral arteriole vasodilation (involuntary muscles and skeletal // bronchodilation // decreases preload adn afterload // decreases SVR/BP, mVo2
  3. c Increase conduction/ heart rate / contractility/ stroke volume
  4. d Calcium channel blockers /// primarily in sinus, AV nodes and atrial tissue /// treatment for SVT /// Verapamil, and Cardizem /// they slow the heart rate and decrease irritability
  5. e Produce sympathomimetic response (stimulate the heart rate and blood pressure) Naturally occuring = dopamine, epinephrine, norepinephrine, and phenylephrine/// synthetic = dobutamine and isoproterenol

5 Multiple Choice Questions

  1. arterial vasodilators // decreases blood pressure // both coronary and peripheral arteries /// used to treat hypertension, angina, antidysrhythmics (SVT's), watch for hypotension/// Procardia, Cardizem, Verapamil
  2. Beta adrenergic blockers /// Blocks stimulation of sympathetic nervous system /// slows AV conduction /// Treatment for SVT's, A fib, A flutter /// Esmolol, Metoprolol, Propranolol
  3. sodium channel blockers - slow down contractility - prolong the absolute refractory period
  4. dosage is 1-7 mcg/min and has a beta 1 and a beta 2 effect
  5. Efficiency and strength of contraction

5 True/False Questions

  1. low preloadtoo much fluid = use vasodilators to correct

          

  2. NipridePeripheral arteeriole vasoconstrictors// push fluid from the peripheral to the trunk // Increases preload and afterload /// Increases blood pressure/// Used in hypotensive patients /// increases mVo2 and decreases circulation to the extremities (fingers and toes)

          

  3. Dobutamine (Dobutrex)beta 1 effect with all doses which increases contractility /// Do NOT give for blood pressure /// decreases contractility /// used in patients with decreased CO and end stage heart disease /// it IS weight based /// low dose < 5, medium dose 5-20, high dose > 20

          

  4. Extremely high dose dopamine11-20 mcg/kg/min has an alpha effect and vasoconstricts /// high doses increase SVR, increase BP, increase the workload of the heart

          

  5. Low dose dopamine (Intropin) is an inotrope11-20 mcg/kg/min has an alpha effect and vasoconstricts /// high doses increase SVR, increase BP, increase the workload of the heart

          

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