Antiarrhythmic Drugs A practical guide – Part 4 pps
Antiarrhythmic Drugs A practical guide – Part 4 pps
... Suppresses EADs and DADs + Suppresses DADs + Suppresses DADs + Efficacy Atrial fibrillation/atrial flutter – – AVN reentry – – – Macroreentry + /– – – PVCs ++ ++ + VT/VF +++ AVN, AV node; EADs, early afterdepolarizations; ... tissue, and therefore Class IA drugs have the potential of treating both atrial and ventricular tachyarrhythmias. The major clinical features of...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 8 ppsx
... clinicians have tended to divide the supraventricu- lar tachyarrhythmias into two broadcategories:paroxysmal atrial tachycardia (PAT) and atrial flutter and atrial fibrillation. The term PAT has falleninto ... tachyarrhythmias, Class IA drugs, sotalol, and dofetilide, are roughly equal in efficacy. Class IC drugsand amiodarone are somewhat more effe ctive than are Class IA drugs, and Class IB...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 1 doc
... 3 Chapter 2 Introduction to antiarrhythmic drugs, 36 Part 2 Clinical features of antiarrhythmic drugs Chapter 3 Class I antiarrhythmic drugs, 55 Chapter 4 Class II antiarrhythmic drugs; beta-blocking ... agents, 80 Chapter 5 Class III antiarrhythmic drugs, 86 Chapter 6 Class IV drugs: calcium-blocking agents, 102 Chapter 7 Unclassified antiarrhythmic agents, 107 Chapter...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 2 pptx
... Suchan automatic focus can arise in the atria, the AV junction, or the ventricles and can lead to automatic atrial tachy- cardia, automatic junctional tachyc ardia, or automatic ventricular tachycardia. Automatic ... arrhythmiabeginsa nd ends. Mechanismsofcardiac tachyarrhythmias 13 Also, analogoustosinustachycardia, automatic tachyarrhythmias often have metabolic causes, suchasacute cardiaci...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 3 ppt
... arrhythmias. Nonetheless, drugs that change the shape of the actionpotential canpotentially affect all three mecha- nisms of arrhythmias. Automatic arrhythmias Abnormal automaticity, whether atrial ... favor Introduction to antiarrhythmic drugs 45 Class IA drugs Class IB drugs Class IC drugs Class III drugs Class IV drugs (AV node action potential) Figure 2 .4 Prototypical...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 5 pdf
... supraventricular tachyarrhythmias Terminate or prevent AV nodal reentrant tachycardia SA nodal reentrant tachycardia Macroreentrant (bypass-tract-mediated) tachycardia Slow ventricular response Atrial tachycardia (automatic ... pathways (namely, SA nodal reentrant tachycardia, AV nodal reentranttachycardia, and macroreentrant tachycardias associatedwith bypass tracts). In these cases, beta bl...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 7 doc
... in vestigational Class III antiarrhythmic agent whose efficacyagainst supraventricular arrhythmias appears to be on a par with other Class III drugs, whose efficacyagainst ventricular arrhythmias is at least ... that most arrhythmias ultimately are caused by some change in the cardi ac actionpotential and that most antiarrhythmic drugs work by causing changes in the car- diac actionpot...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 9 potx
... control patien ts. In the Canadian Amiodarone Myocardial Infarction ArrhythmiaTrial (CAMIAT) [2] and the EuropeanMyocardial InfarctAmiodaroneTrial (EMIAT) [3], amiodaroneyielded areductioninarrhythmic ... reentrant supraventricular arrhyth mias—esp ecially AV nodal reentranttachy- cardiaand bypass-tract-mediated tachycardia, that is, arrhythmias in which the AV node is part of the reentrant...
Ngày tải lên: 13/08/2014, 12:20
Antiarrhythmic Drugs A practical guide – Part 10 pot
... loss, 14 1–1 43 tachycardia, 143 thromboembolism, 14 3–1 44 and dronedarone, 115 treatment of, 14 4 1 50 anticoagulation, 14 9–1 50 cardioconversion, 14 5–1 46 rate control, 14 6–1 47 rhythm control, 14 7–1 49 rhythm ... tachyarrhythmias, 1 04 AV nodal reentry/macroreentrant tachycardias, 10 4 1 05 multifocal atrial tachycardia, 1 04 supraventricular tachyarrhy...
Ngày tải lên: 13/08/2014, 12:20
Neuromuscular Diseases A Practical Guideline - part 4 pps
... conditions Conservative: Trauma: neurapraxia, partial lesion (mild axonal lesion) Blunt trauma Neuralgic amyotrophy Malpositioning Operative: Trauma: severe axonal lesion, neurotmesis Generally good-partial ... passes through a pelvic sacral foramen to join the sacral plexus; each dorsal ramus emerges through a dorsal sacral foramen to supply paraspinal muscles and the skin over the sacra...
Ngày tải lên: 10/08/2014, 18:20