Use of Diltiazem in Treatment     of Supraventricular         Tachycardia                  NUR 236              Group assi...
Objectives• Upon completion of this presentation the  learner will be able to:  – State the effects of calcium channel blo...
Calcium Channel Blockers (CCBs)• Prevent calcium from entering cells• Used to treat:  – High blood pressure  – Angina  – C...
Antidysrhythmics• Most calcium channel blockers only act  on blood vessels• Two CCBs act on the heart• Useful as antidysrh...
Action of Calcium & CCBs• Calcium regulates vascular smooth  muscle contraction• CCBs cause vasodilation  – Lowers blood p...
Action of Calcium & CCBs• Calcium increases forcefulness of  myocardial contractions• CCBs decrease myocardial contractili...
Action of Calcium & CCBs• Calcium increases discharge from SA  node• CCBs slow heart rate
Actions of Calcium• Calcium increases conduction across  AV node• CCBs slow conduction between atria  and ventricles
Adverse Effects of CCBs• Heart failure  – Assess for signs    frequently
Adverse Effects of CCBs• Bradycardia  – Continuous cardiac monitor
Adverse Effects of CCBs• Hypotension  – Monitor BP every hour
ReferencesBlood pressure monitor image (nd). Retrieved June 24, 2011   from   http://www.flickr.com/photos/zeusandhera/408...
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Muncy unit 5 cdp utilize media and material

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Discussion of calcium channel blockers to treat cardiac dysrhythmias

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Muncy unit 5 cdp utilize media and material

  1. 1. Use of Diltiazem in Treatment of Supraventricular Tachycardia NUR 236 Group assignment 1
  2. 2. Objectives• Upon completion of this presentation the learner will be able to: – State the effects of calcium channel blockers on the heart and blood vessels – Name the two calcium channel blockers that are used as antidysrhythmics – Name three adverse effects for which the nurse should monitor the patient receiving IV diltiazem
  3. 3. Calcium Channel Blockers (CCBs)• Prevent calcium from entering cells• Used to treat: – High blood pressure – Angina – Cardiac dysrhythmias
  4. 4. Antidysrhythmics• Most calcium channel blockers only act on blood vessels• Two CCBs act on the heart• Useful as antidysrhythmics – Verapamil – Diltiazem
  5. 5. Action of Calcium & CCBs• Calcium regulates vascular smooth muscle contraction• CCBs cause vasodilation – Lowers blood pressure – Improves coronary blood flow
  6. 6. Action of Calcium & CCBs• Calcium increases forcefulness of myocardial contractions• CCBs decrease myocardial contractility – Improves anginal pain
  7. 7. Action of Calcium & CCBs• Calcium increases discharge from SA node• CCBs slow heart rate
  8. 8. Actions of Calcium• Calcium increases conduction across AV node• CCBs slow conduction between atria and ventricles
  9. 9. Adverse Effects of CCBs• Heart failure – Assess for signs frequently
  10. 10. Adverse Effects of CCBs• Bradycardia – Continuous cardiac monitor
  11. 11. Adverse Effects of CCBs• Hypotension – Monitor BP every hour
  12. 12. ReferencesBlood pressure monitor image (nd). Retrieved June 24, 2011 from http://www.flickr.com/photos/zeusandhera/408799829/size s/s/in/photostream/Cardiac monitor image (nd). Retrieved June 24, 2011 from http://www.flickr.com/photos/brykmantra/76765412/sizes/s /in/photostream/Heart failure graphic (2008). Retrieved June 24, 2011 from http://commons.wikimedia.org/wiki/File:Heartfailure.jpg

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