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5 Written Questions

5 Matching Questions

  1. high preload
  2. Calcium channel blockers
  3. Alpha adrenergic blockers
  4. SVR
  5. Class IV drugs
  1. a too much fluid = use vasodilators to correct
  2. b blocks the alpha receptors in arteries and veins// blocks vasoconstriction and is a vasodilator // Labetalol = peripheral alpha blocker and cardioselective beta blocker // Regitine
  3. c 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
  4. d arterial vasodilators // decreases blood pressure // both coronary and peripheral arteries /// used to treat hypertension, angina, antidysrhythmics (SVT's), watch for hypotension/// Procardia, Cardizem, Verapamil
  5. e vasodilation and vasoconstriction

5 Multiple Choice Questions

  1. has a alpha effect and vasoconstricts which increases mVo2 demands
  2. treatment of acute heart failure // decreases filling pressures, decreased vascular resistance, preload, afterload, workload/// IV bolus 2 mcg/kg // Continous infusion 0.01 mcg/kg/min /// Natricore
  3. 2-8 mcg/min has a beta 1 effect and increases contractility which increases cardiac output
  4. > 20 also alpha but more potent
  5. potent vasodilator, affects peripheral, renal and mesentary arteries, alternative to nipride // Clorazapam

5 True/False Questions

  1. Norephinephrine (Levophed)low dose is <2 mcg/min and the next dose is 2-16 mcg/min both doses have an alpha effect (vasoconstrict) used on patients with hyertension and patients with septic shock /// primary action increases SVR


  2. Class III drugsSlows repolarization (filling)/// Almiodarone (used for atrial and ventricular dysrhythmias), Dofetilide (Tikosyn) used for symptomatic afib/ flutter to NSR (in order to use have to be hospitalized and monitored IV only/// Ibutilide (Covert) used for afib/flutter to NSR


  3. low preloadamount of blood left in the right ventricle at the end of diastole


  4. Class ICQuinidine, Procainamide, Disopyramide /// Widens the QRS/QT interval /// depresses contractility


  5. Catecholaminespotent arterial vasodilator// IV 5-10 mg q 4-8 hours // usually given between continuous infusion and oral dose of hypertensive meds


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