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Cardiology ABIM Review
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MKSAP Topics Nelle –Coronary artery disease –Valvular heart disease –Pregnancy –Peripheral arterial disease Dylan –Arrhythmias –Heart failure –Pericardial disease –Aortic disease –Myocardial disease
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Arrhythmias
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Atrial Fibrillation
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NASPE 2003 Consensus Paper
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AF: Etiology ACC 2006 Guidelines
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AF: Diagnosis ACC 2006 Guidelines
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AF: Diagnosis ACC 2006 Guidelines
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AF: Rate vs. Rhythm Control
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ACC 2006 Guidelines AF: Rate vs. Rhythm Control
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ACC 2006 Guidelines AF: Rate vs. Rhythm Control
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ACC 2006 Guidelines AF: Rate vs. Rhythm Control
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AF: Stroke Prevention
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Supraventricular Tachycardias
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ACC 2003 Guidelines
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AVNRT
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Atrial Tachycardia
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Atrial Flutter
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ACC 2003 Guidelines
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Ventricular Arrhythmias
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Epidemiology of VA & SCD Classification of Ventricular Arrhythmia by Electrocardiography Nonsustained ventricular tachycardia (VT) ♥ Monomorphic ♥ Polymorphic Sustained VT ♥ Monomorphic ♥ Polymorphic Bundle-branch re-entrant tachycardia Bidirectional VT Torsades de pointes Ventricular flutter Ventricular fibrillation
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Nonsustained Monomorphic VT
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Nonsustained Polymorphic VT
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Ventricular Flutter Spontaneous conversion to NSR (12-lead ECG)
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VF with Defibrillation (12-lead ECG)
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Epidemiology of VA & SCD Classification of Ventricular Arrhythmia by Clinical Presentation Hemodynamically stable ♥ Asymptomatic ♥ Minimal symptoms, e.g., palpitations Hemodynamically unstable ♥ Presyncope ♥ Syncope ♥ Sudden cardiac death ♥ Sudden cardiac arrest
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Epidemiology of VA & SCD Classification of Ventricular Arrhythmia by Disease Entity Chronic coronary heart disease Heart failure Congenital heart disease Neurological disorders Structurally normal hearts Sudden infant death syndrome Cardiomyopathies ♥ Dilated cardiomyopathy ♥ Hypertrophic cardiomyopathy ♥ Arrhythmogenic right ventricular (RV) cardiomyopathy
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VA: Diagnosis Chemistry panel Resting ECG Ambulatory ECG –Holter monitor, event monitor, or ILR Stress testing –Exercise or pharmacologic –ECG, echoc, or SPECT MPI Left ventricular function & imaging –TTE, LHC, CCT, or CMR Electrophysiologic testing
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Antiarrhythmic Drugs ♥ Beta Blockers: Effectively suppress ventricular ectopic beats & arrhythmias; reduce incidence of SCD ♥ Amiodarone: No definite survival benefit; some studies have shown reduction in SCD in patients with LV dysfunction especially when given in conjunction with BB. Has complex drug interactions and many adverse side effects (pulmonary, hepatic, thyroid, cutaneous) ♥ Sotalol: Suppresses ventricular arrhythmias; is more pro- arrhythmic than amiodarone, no survival benefit clearly shown ♥ Conclusions: Antiarrhythmic drugs (except for BB) should not be used as primary therapy of VA and the prevention of SCD Therapies for VA
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Non-antiarrhythmic Drugs ♥ Electrolytes: magnesium and potassium administration can favorably influence the electrical substrate involved in VA; are especially useful in setting of hypomagnesemia and hypokalemia ♥ ACE inhibitors, angiotensin receptor blockers and aldosterone blockers can improve the myocardial substrate through reverse remodeling and thus reduce incidence of SCD ♥ Antithrombotic and antiplatelet agents: may reduce SCD by reducing coronary thrombosis ♥ Statins: have been shown to reduce life-threatening VA in high-risk patients with electrical instability ♥ n-3 Fatty acids: have anti-arrhythmic properties, but conflicting data exist for the prevention of SCD Therapies for VA
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Torsades de Pointes Spontaneous conversion to NSR (continuous lead II monitor strip)
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Common Forms of the Long-QT Syndrome Roden D. N Engl J Med 2008;358:169-176
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Electrocardiographic Patterns in the Three Common Forms of the Long-QT Syndrome Roden D. N Engl J Med 2008;358:169-176
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Guidelines for Management of the Long-QT Syndrome Roden D. N Engl J Med 2008;358:169-176
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Roden D. N Engl J Med 2004;350:1013-1022 Drugs That May Cause Torsade de Pointes
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Roden D. N Engl J Med 2004;350:1013-1022 Risk Factors for Drug-Induced Torsade de Pointes
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Syncope
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Kapoor W. N Engl J Med 2000;343:1856-1862 Causes of Syncope
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Kapoor W. N Engl J Med 2000;343:1856-1862 Clinical Features Suggestive of Specific Causes of Syncope
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ACC 2006 Scientific Statement
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Bradyarrhythmias
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Mangrum J and DiMarco J. N Engl J Med 2000;342:703-709 Causes of Bradycardia
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Mangrum J and DiMarco J. N Engl J Med 2000;342:703-709 Electrocardiographic Findings Associated with Sinus-Node Dysfunction
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Mangrum J and DiMarco J. N Engl J Med 2000;342:703-709 Electrocardiographic Findings Associated with Atrioventricular-Conduction Disturbances
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Devices
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Tonino W and Winter J. N Engl J Med 2006;354:956 A 55-year-old woman received a diagnosis of the sick sinus syndrome
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PPM: Indications ACC 2008 Guidelines
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PPM: Indications ACC 2008 Guidelines
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Jarcho J. N Engl J Med 2006;355:288-294 The Cardiac Conduction System and Biventricular Pacing
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CRT: Indications ACC 2008 Guidelines
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DiMarco J. N Engl J Med 2003;349:1836-1847 Diagram of a Single-Chamber Implantable Cardioverter-Defibrillator System
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ICD: Indications ACC 2008 Guidelines
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Heart Failure
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ACC 2005 Guidelines HF: Definition
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ACC 2005 Guidelines HF: Staging System
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ACC 2005 Guidelines
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ACC 2009 Focused Update HF: Diagnosis
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ACC 2009 Focused Update HF: Diagnosis
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ACC 2005 Guidelines HF: Treatment
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ACC 2005 Guidelines HF: Treatment
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ACC 2005 Guidelines HF with Preserved LVSF
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ACC 2005 Guidelines HF with Preserved LVSF
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ACC 2009 Focused Update Acute Decompensated HF
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ACC 2009 Focused Update
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Pericardial Disease
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Acute Pericarditis
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Lange R and Hillis L. N Engl J Med 2004;351:2195-2202 Tests and Treatments for Various Causes of Acute Pericarditis
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Lange R and Hillis L. N Engl J Med 2004;351:2195-2202 Large Pericardial Effusion
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Nardell E et al. N Engl J Med 2004;351:279-287 Echocardiographic Features of Tamponade
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Yurchak P and Deshpande V. N Engl J Med 2003;348:243-249 Simultaneous Left (Yellow) and Right (Green) Ventricular Pressure Tracings Showing the Square-Root Sign
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Aortic Disease
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Aortic Dissection ESC 2001 Task Force Report
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Aortic Dissection ESC 2001 Task Force Report
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Aortic Dissection ESC 2001 Task Force Report
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Aortic Dissection ESC 2001 Task Force Report
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Aortic Dissection 2001 ESC Task Force Report
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Aortic Dissection ESC 2001 Task Force Report
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Aortic Dissection ESC 2001 Task Force Report
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ACC 2005 Guidelines Abdominal Aortic Aneurysm (AAA)
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AAA ACC 2005 Guidelines
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AAA
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ACC 2005 Guidelines AAA
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ACC 2005 Guidelines AAA
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Cardiomyopathies
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AHA 2005 Scientific Statement
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2005 AHA Scientific Statement
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Hypertrophic Cardiomyopathy (HCM) Typically diagnosed by 2-D echo –LV wall thickness ≥ 15 mm –Asymmetric septal hypertrophy (ASH) –Anterior septal motion of mitral valve (SAM)
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HCM LV outflow tract (LVOT) obstruction diagnosed using Doppler echo –LVOT pressure gradient (PG) 30 mmHg at rest = “obstructive” –LVOT PG < 30 mmHg at rest but 30 mmHg with provocation (Valsalva) = “latent” –LVOT PG < 30 mmHg at rest and with provocation = “nonobstructive”
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Nishimura R and Holmes D. N Engl J Med 2004;350:1320-1327 Two-Dimensional Echocardiogram from a Patient with Obstructive Hypertrophic Cardiomyopathy
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ACC 2003 Expert Consensus Document
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Nishimura R and Holmes D. N Engl J Med 2004;350:1320-1327 Schematic Diagram of a Patient Undergoing Surgical Septal Myectomy
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ACC 2003 Expert Consensus Document
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ACC 2006 VA & SCD Guidelines
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Circulation 2006; 113: 1622-1632
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