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Atrial Arrhythmias
Atrial Arrhythmias
Atrial Fibrillation ECG Review
Atrial Flutter ECG Review
Atrioventricular Nodal Reentrant Tachycardia (AVNRT) ECG Review
Atrioventricular Reentrant Tachycardia (AVRT) ECG Review
Ectopic Atrial Rhythms ECG Review
Multifocal Atrial Tachycardia (MAT) ECG Review
Premature Atrial Contractions (PACs) ECG Review
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Chamber Enlargements
Chamber Enlargements
Left Atrial Enlargement (LAE) ECG Review
Left Axis Deviation Review
Left Ventricular Hypertrophy (LVH) ECG Review
Poor R Wave Progression (PRWP) ECG Review
Right Atrial Enlargement (RAE) ECG Review
Right Axis Deviation Review
Right Ventricular Hypertrophy (RVH) ECG Review
Conduction Abnormalities
Conduction Abnormalities
2:1 Atrioventricular (AV) Block ECG Review
Bifascicular Block ECG Review
First-Degree Atrioventricular (AV) Block ECG Review
Left Anterior Fascicular Block (LAFB) ECG Review
Left Bundle Branch Block (LBBB) ECG Review
Left Posterior Fascicular Block (LPFB) ECG Review
Right Bundle Branch Block (RBBB) ECG Review
Second-Degree Atrioventricular (AV) Block Type I (Wenkebach) ECG Review
Second-Degree Atrioventricular (AV) Block Type II ECG Review
Third-Degree Atrioventricular (AV) Block ECG Review
Trifascicular Block ECG Review
Ischemic Heart Disease
Ischemic Heart Disease
Anterior Wall ST Segment Elevation MI ECG Review
Inferior Wall ST Segment Elevation Myocardial Infarction (MI) ECG Review
Posterior Wall Myocardial Infarction (MI) ECG Review
Miscellaneous
Miscellaneous
Arrhythmogenic Right Ventricular Dysplasia (ARVD) ECG Review
Atrial Septal Defect (ASD) ECG Review
Brugada Syndrome ECG Review
Digoxin Effect ECG Review
Dextrocardia ECG Review
Early Repolarization ECG Review
Hypercalcemia ECG Review
Hyperkalemia ECG Review
Hypertrophic Obstructive Cardiomyopathy (HOCM) ECG Review
Hypocalcemia ECG Review
Hypokalemia ECG Review
Hypothermia ECG Review
Limb Lead Reversal ECG Review
Lown-Ganong-Levine Syndrome ECG Review
Low Voltage ECG Review
Left Ventricular (LV) Aneurysm ECG Review
Neurologic Insult ECG Review
Pericarditis ECG Review
Prolonged QT Interval ECG Review
Pulmonary Embolism ECG Review
Wellens’ Syndrome ECG Review
Wolff-Parkinson-White (WPW) Syndrome ECG Review
Ventricular Arrhythmias
Ventricular Arrhythmias
Asystole ECG Review
Idioventricular Rhythms ECG Review
Junctional Rhythms ECG Review
Premature Ventricular Contractions (PVCs) ECG Review
Ventricular Fibrillation ECG Review
Ventricular Tachycardia (VT) ECG Review
ECG Archive
ECG Archive
Atrial Arrhythmias
Atrial Arrhythmias
Atrial Arrhythmias - Other
Atrial Arrhythmias - Other
Accelerated Junctional Rhythm ECG (Example 1)
Accelerated Junctional Rhythm ECG (Example 2)
Atrial Bigeminy ECG
Atrial Tachycardia ECG (Example 1)
Atrial Tachycardia ECG (Example 2)
Atrial Tachycardia with 2:1 AV Block ECG (Example 1)
Atrial Tachycardia with 2:1 AV Block ECG (Example 2)
AV Nodal Reentrant Tachycardia (AVNRT) ECG (Example 1)
AV Nodal Reentrant Tachycardia (AVNRT) ECG (Example 2)
AV Nodal Reentrant Tachycardia (AVNRT) ECG (Example 3)
AV Reentrant Tachycardia (AVRT) ECG
Ectopic Atrial Bradycardia ECG
Junctional Bradycardia ECG (Example 1)
Junctional Bradycardia ECG (Example 2)
Junctional Tachycardia ECG
Multifocal Atrial Tachycardia (MAT) ECG
Non-conducted or Blocked Premature Atrial Contractions (PACs) ECG
Premature Atrial Contractions (PACs) ECG
Supraventricular Tachycardia with Aberrancy ECG
Atrial Fibrillation
Atrial Fibrillation
Atrial Fibrillation with Bradycardia ECG (Example 1)
Atrial Fibrillation with Bradycardia ECG (Example 2)
Atrial Fibrillation with Bradycardia ECG (Example 3)
Atrial Fibrillation with Normal Ventricular Rate ECG (Example 1)
Atrial Fibrillation with Normal Ventricular Rate ECG (Example 2)
Atrial Fibrillation with Normal Ventricular Rate ECG (Example 3)
Atrial Fibrillation with Rapid Ventricular Rate ECG (Example 1)
Atrial Fibrillation with Rapid Ventricular Rate ECG (Example 2)
Atrial Fibrillation with Rapid Ventricular Rate ECG (Example 3)
Atrial Fibrillation with Rapid Ventricular Rate ECG (Example 4)
Atrial Fibrillation with Rapid Ventricular Rate ECG (Example 5)
Atrial Flutter
Atrial Flutter
Atrial Flutter with Variable Conduction ECG (Example 1)
Atrial Flutter with Variable Conduction ECG (Example 2)
Atrial Flutter with Variable Conduction ECG (Example 3)
Atrial Flutter with 1:1 Conduction ECG
Atrial Flutter with 2:1 Conduction ECG (Example 1)
Atrial Flutter with 2:1 Conduction ECG (Example 2)
Atrial Flutter with 3:1 Conduction ECG
Atrial Flutter with 4:1 Conduction ECG (Example 1)
Atrial Flutter with 4:1 Conduction ECG (Example 2)
Atrial Flutter with 4:1 Conduction ECG (Example 3)
Atrial Flutter with 5:1 Conduction ECG (Example 1)
Atrial Flutter with 6:1 Conduction ECG
Sinus Rhythms
Sinus Rhythms
Dual Sinus Nodes - Heart Transplant ECG
Sinus Arrhythmia ECG (Example 1)
Sinus Arrhythmia ECG (Example 2)
Sinus Arrhythmia ECG (Example 3)
Sinus Bradycardia ECG (Example 1)
Sinus Bradycardia ECG (Example 2)
Sinus Bradycardia ECG (Example 3)
Sinus Bradycardia ECG (Example 4)
Sinus Tachycardia ECG (Example 1)
Sinus Tachycardia ECG (Example 2)
Sinus Tachycardia ECG (Example 3)
Sinus Tachycardia ECG (Example 4)
Chamber Enlargement and Axis
Chamber Enlargement and Axis
Atrial Enlargements
Atrial Enlargements
Biatrial Enlargement ECG
Left Atrial Enlargement ECG (Example 1)
Left Atrial Enlargement ECG (Example 2)
Left Atrial Enlargement with P-Mitrale ECG
Right Atrial Enlargement ECG (Example 1)
Right Atrial Enlargement ECG (Example 2)
Right Atrial Enlargement ECG (Example 3)
Right Atrial Enlargement ECG (Example 4)
Axis Deviation Examples
Axis Deviation Examples
Left Axis Deviation ECG
Right Axis Deviation ECG
Ventricular Hypertrophies
Ventricular Hypertrophies
Left Ventricular Hypertrophy (LVH) ECG (Example 1)
Left Ventricular Hypertrophy ECG (Example 2)
Left Ventricular Hypertrophy ECG (Example 3)
Left Ventricular Hypertrophy ECG (Example 4)
Left Ventricular Hypertrophy with Strain Pattern ECG (Example 1)
Left Ventricular Hypertrophy with Strain Pattern ECG (Example 2)
Right Ventricular Hypertrophy ECG
Right Ventricular Hypertrophy with Strain Pattern ECG
Conduction Abnormalities
Conduction Abnormalities
Anterior and Posterior Fascicular Blocks
Anterior and Posterior Fascicular Blocks
Left Anterior Fascicular Block ECG (Example 1)
Left Anterior Fascicular Block ECG (Example 2)
Left Anterior Fascicular Block ECG (Example 3)
Left Posterior Fascicular Block ECG
AV Nodal Blocks
AV Nodal Blocks
2:1 AV Block ECG (Example 1)
2:1 AV Block ECG (Example 2)
2:1 AV Block ECG (Example 3)
First Degree AV Block ECG (Example 1)
First Degree AV Block ECG (Example 2)
First Degree AV Block ECG (Example 3)
First Degree AV Block ECG (Example 4)
First Degree AV Block ECG (Example 5)
Second Degree AV Block Type I (Wenkebach) ECG (Example 1)
Second Degree AV Block Type I (Wenkebach) ECG (Example 2)
Second Degree AV Block Type I and 2:1 AV Block ECG
Second Degree AV Block Type II ECG
Third Degree AV Block ECG (Example 1)
Third Degree AV Block ECG (Example 2)
Third Degree AV Block ECG (Example 3)
Third Degree AV Block ECG (Example 4)
Third Degree AV Block ECG (Example 5)
Third Degree AV Block with Ventricular Pacing ECG
Bifascicular and Trifascicular Blocks
Bifascicular and Trifascicular Blocks
Bifascicular Block - RBBB + LAFB ECG (Example 1)
Bifascicular Block - RBBB + LAFB ECG (Example 2)
Bifascicular Block - RBBB + LAFB ECG (Example 3)
Bifascicular Block - RBBB + LAFB ECG (Example 4)
Bifascicular Block - RBBB + LAFB ECG (Example 5)
Bifascicular Block - RBBB + LPFB ECG
Trifascicular Block ECG (Example 1)
Trifascicular Block ECG (Example 2)
Trifascicular Block ECG (Example 3)
Heart Blocks - Other
Heart Blocks - Other
Blocked Premature Atrial Contractions (PACs) ECG
Non-Specific Interventricular Conduction Delay (NSIVCD) ECG (Example 1)
Non-Specific Interventricular Conduction Delay (NSIVCD) ECG (Example 2)
Second Degree SA Exit Block Type I ECG
Second Degree SA Exit Block Type II ECG
Left Bundle Branch Blocks
Left Bundle Branch Blocks
Incomplete Left Bundle Branch Block ECG
Left Bundle Branch Block - Cabrera's Sign ECG
Left Bundle Branch Block - Chapman's Sign ECG
Left Bundle Branch Block ECG (Example 1)
Left Bundle Branch Block ECG (Example 2)
Left Bundle Branch Block ECG (Example 3)
Left Bundle Branch Block ECG (Example 4)
Left Bundle Branch Block ECG (Example 5)
Left Bundle Branch Block ECG (Example 6)
Rate Dependent Left Bundle Branch Block ECG
Right Bundle Branch Blocks
Right Bundle Branch Blocks
Incomplete Right Bundle Branch Block (RBBB) ECG (Example 1)
Incomplete Right Bundle Branch Block ECG (Example 2)
Rate Dependent Right Bundle Branch Block ECG
Right Bundle Branch Block ECG (Example 1)
Right Bundle Branch Block ECG (Example 2)
Right Bundle Branch Block ECG (Example 3)
Right Bundle Branch Block ECG (Example 4)
Right Bundle Branch Block ECG (Example 5)
Right Bundle Branch Block ECG (Example 6)
Right Bundle Branch Block ECG (Example 7)
Ischemic Heart Disease
Ischemic Heart Disease
Anterior Wall Myocardial Infarctions
Anterior Wall Myocardial Infarctions
Anterior Wall ST Segment Elevation Myocardial Infarction (MI) ECG (Example 1)
Anterior Wall ST elevation MI ECG (Example 2)
Anterior Wall ST elevation MI ECG (Example 3)
Anterior Wall ST elevation MI ECG (Example 4)
Anterior Wall ST elevation MI ECG (Example 5)
Anterior Wall ST elevation MI ECG (Example 6)
Anterior Wall ST elevation MI with RBBB ECG (Example 1)
Anterior Wall ST elevation MI with RBBB ECG (Example 2)
Old Anterior Wall Myocardial Infarction (MI) ECG
Inferior Wall Myocardial Infarctions
Inferior Wall Myocardial Infarctions
Inferior Wall Myocardial Infarction (MI) ECG (Example 1)
Inferior Wall MI ECG (Example 2)
Inferior Wall MI ECG (Example 3)
Inferior Wall MI ECG (Example 4)
Inferior Wall MI ECG (Example 5)
Inferior Wall MI ECG (Example 6)
Inferior Wall MI with RBBB ECG (Example 1)
Inferior Wall MI with RBBB ECG (Example 2)
Normal Inferior Q Waves - not Old Inferior MI ECG
Old Inferior Wall Myocardial Infarction (MI) ECG (Example 1)
Old Inferior Wall MI ECG (Example 2)
Posterior Wall Myocardial Infarctions
Posterior Wall Myocardial Infarctions
Inferior-Posterior Wall MI ECG (Example 1)
Inferior-Posterior Wall MI ECG (Example 2)
Inferior-Posterior Wall MI ECG (Example 3)
Inferior-Posterior Wall MI - Right-Sided ECG
Posterior Wall MI - Standard ECG
Posterior Wall MI - Posterior ECG
Miscellaneous
Miscellaneous
Artifact
Artifact
Artifact - Deep Brain Stimulator ECG
Artifact - Respiratory Variation ECG
Artifact - Ventricular Tachycardia ECG
Wobble Artifact ECG (Example 1)
Wobble Artifact ECG (Example 2)
Electrolyte and Metabolic Abnormalities
Electrolyte and Metabolic Abnormalities
Hyperkalemia ECG (Example 1)
Hyperkalemia ECG (Example 2)
Hyperkalemia ECG (Example 3)
Hyperkalemia before calcium bolus ECG (Example 4-1)
Hyperkalemia just after calcium bolus ECG (Example 4-2)
Hypocalcemia ECG
Hypokalemia ECG
Hypothermia ECG
Electrophysiologic Disorders
Electrophysiologic Disorders
Arrhythmogenic Right Ventricular Dysplasia (ARVD) ECG
Brugada Syndrome ECG
Early Repolarization ECG (Example 1)
Early Repolarization ECG (Example 2)
Lown-Ganong-Levine ECG (Example 1)
Lown-Ganong-Levine ECG (Example 2)
Prolonged QT Interval ECG (Example 1)
Prolonged QT Interval ECG (Example 2)
Prolonged QT Interval ECG (Example 3)
Prolonged QT Interval ECG (Example 4)
Wolff-Parkinson-White (WPW) ECG (Example 1)
Wolff-Parkinson-White (WPW) ECG (Example 2)
Wolff-Parkinson-White (WPW) ECG (Example 3)
Wolff-Parkinson-White Alternans (WPW Alternans) ECG
Miscellaneous - Other
Miscellaneous - Other
Digoxin Effect ECG (Example 1)
Digoxin Effect ECG (Example 2)
Electrical Alternans ECG
Dextrocardia (Example)
Limb Lead Reversal ECG (Example 1)
Limb Lead Reversal ECG (Example 2)
Low Voltage ECG (Example 1)
Low Voltage ECG (Example 2)
Low Voltage ECG (Example 3)
Low Voltage ECG (Example 4)
Neurologic Insult (Example 1)
Neurologic Insult (Example 2)
Neurologic Insult (Example 3)
Pseudo Low Voltage ECG
Pulmonary Embolism ECG (Example 1)
Pulmonary Embolism ECG (Example 2)
Pulmonary Embolism ECG (Example 3)
Structural Heart Abnormalities
Structural Heart Abnormalities
Apical Hypertrophic Cardiomyopathy (HCM) ECG
Atrial Septal Defect - Ostium Secundum ECG
Dextrocardia ECG Example 1
Dextrocardia ECG Example 2
Hypertrophic Obstructive Cardiomyopathy (HOCM) ECG (Example 1)
Hypertrophic Obstructive Cardiomyopathy (HOCM) ECG (Example 2)
Left Ventricular (LV) Aneurysm ECG
Pericarditis ECG Example 1
Pericarditis ECG Example 2
Ventricular Rhythms
Ventricular Rhythms
Paced Rhythms
Paced Rhythms
AAI Pacemaker ECG
Paced Rhythm with Memory T Waves ECG
V-Paced Rhythm (Ventricular Pacing) ECG
Biventricular Pacemaker ECG
Ventricular Arrhythmias - Other
Ventricular Arrhythmias - Other
Asystole ECG
Premature Ventricular Contractions (PVCs) ECG (Example 1)
Premature Ventricular Contractions (PVCs) ECG (Example 2)
Premature Ventricular Contractions (PVCs) ECG (Example 3)
Premature Ventricular Contractions (PVCs) with Echo Beats ECG
Ventricular Bigeminy ECG (Example 1)
Ventricular Bigeminy ECG (Example 2)
Ventricular Bigeminy ECG (Example 3)
Ventricular Fibrillation ECG (Example 1)
Ventricular Fibrillation ECG (Example 2)
Ventricular Trigeminy ECG (Example 1)
Ventricular Trigeminy ECG (Example 2)
Ventricular Trigeminy ECG (Example 3)
Ventricular Tachycardia
Ventricular Tachycardia
Accelerated Idioventricular Rhythm - Slow VT ECG (Example 1)
Accelerated Idioventricular Rhythm - Slow VT ECG (Example 2)
Accelerated Idioventricular Rhythm - Slow VT ECG (Example 3)
Bidirectional Ventricular Tachycardia ECG
Monomorphic Non-Sustained Ventricular Tachycardia ECG (Example 1)
Monomorphic Non-Sustained Ventricular Tachycardia ECG (Example 2)
Monomorphic Sustained Ventricular Tachycardia ECG (Example 1)
Monomorphic Sustained Ventricular Tachycardia ECG (Example 2)
Monomorphic Sustained Ventricular Tachycardia ECG (Example 3)
Monomorphic Sustained Ventricular Tachycardia ECG (Example 4)
Monomorphic Sustained Ventricular Tachycardia ECG (Example 5)
Monomorphic Sustained Ventricular Tachycardia ECG (Example 6)
Monomorphic Sustained Ventricular Tachycardia with Anti-Tachycardia Pacing (ATP) ECG
Polymorphic Non-Sustained Ventricular Tachycardia ECG
Polymorphic Sustained Ventricular Tachycardia ECG
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Cardiology Facts and Pearls
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Cardiology Guidelines
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Arrhythmia Disorders
Arrhythmia Disorders
2014 AHA/ACC/HRS Guideline for the Management of Patients With Atrial Fibrillation
2015 ACC/AHA/HRS Guideline for the Management of Adult Patients With Supraventricular Tachycardia
2016 ACC/AHA Clinical Performance and Quality Measures for Adults With Atrial Fibrillation or Atrial Flutter
2017 ACC/AHA/HRS Guideline for the Evaluation and Management of Patients With Syncope
2015 ESC Guidelines for the Management of Patients with Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death
CHD/Prevention
CHD/Prevention
2013 ACC/AHA Guideline on the Assessment of Cardiovascular Risk
2016 USPSTF Recommendation Statement on Statin Use for the Primary Prevention of Cardiovascular Disease in Adults
2015 AHA/ACC/ASH Scientific Statement on the Treatment of Hypertension in Patients With Coronary Artery Disease
2016 ACC Expert Consensus Decision Pathway on the Role of Non-Statin Therapies for LDL-Cholesterol Lowering in the Management of Atherosclerotic Cardiovascular Disease Risk
2013 AHA/ACC Guideline on Lifestyle Management to Reduce Cardiovascular Risk
Diabetes
Diabetes
2015 NLA Recommendations for Patient-Centered Management of Dyslipidemia: Parts 1 and 2
2014 AHA/ADA Scientific Statement on Type 1 Diabetes Mellitus and Cardiovascular Disease
2013 ACC/AHA Guideline on the Treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Risk in Adults
2013 ESC Guidelines on Diabetes, Pre-diabetes and Cardiovascular Diseases
2015 AHA/ADA Update on Prevention of Cardiovascular Disease in Adults With Type 2 Diabetes in Light of Recent Evidence
HF/Transplantation
HF/Transplantation
2016 ISHLT Listing Criteria for Heart Transplantation: A 10-year update
2016 AHA Scientific Statement on Chronic Heart Failure in Congenital Heart Disease
2015 AHA Scientific Statement on Transitions of Care in Heart Failure
2013 ACCF/AHA Guideline for the Management of Heart Failure
2016 ACC/AHA/HFSA Focused Update on New Pharmacological Therapy for Heart Failure
Imaging
Imaging
2010 ACCF/ACR/AHA/NASCI/SCMR Expert Consensus Document on Cardiovascular Magnetic Resonance
2016 ASNC Imaging Guidelines / SNMMI Procedure Standard for Positron Emission Tomography
2010 ACCF/ACR/AHA/NASCI/SAIP/SCAI/SCCT Expert Consensus Document on Coronary Computed Tomographic Angiography
2015 ACR/ACC/AHA/AATS/ACEP/ASNC/NASCI/ SAEM/SCCT/SCMR/SCPC/SNMMI/STR/STS Appropriate Utilization of Cardiovascular Imaging in Emergency Department Patients With Chest Pain
2014 AHA Scientific Statement on Approaches to Enhancing Radiation Safety in Cardiovascular Imaging
Intervention
Intervention
2015 ACC/AHA/SCAI Focused Update on Primary PCI for Patients With STEMI
2017 ACC Expert Consensus Decision Pathway for Transcatheter Aortic Valve Replacement in the Management of Adults with Aortic Stenosis
2016 ACC/AATS/AHA/ASE/ASNC/SCAI/SCCT/STS Appropriate Use Criteria for Coronary Revascularization in Patients With Acute Coronary Syndromes
2017 ACC/AATS/AHA/ASE/ASNC/SCAI/SCCT/STS Appropriate Use Criteria for Coronary Revascularization in Patients With Stable Ischemic Heart Disease
2016 ACC/AHA Guideline Focused Update on Duration of Dual Antiplatelet Therapy in Patients With Coronary Artery Disease
Pediatric Cardiology
Pediatric Cardiology
2013 AHA Scientific Statement on the Prevention and Treatment of Thrombosis in Pediatric and Congenital Heart Disease
2014 PCICS Neonatal and Pediatric Guidelines for Arrhythmia Management
2014 PACES/HRS Expert Consensus Statement on the Evaluation and Management of Ventricular Arrhythmias in the Child with a Structurally Normal Heart
2017 AHA Scientific Statement on Telemedicine in Pediatric Cardiology
2014 ACC/AAP/AHA/ASE/HRS/SCAI/SCCT/ SCMR/SOPE Appropriate Use Criteria for Initial Transthoracic Echocardiography in Outpatient Pediatric Cardiology
Stroke
Stroke
2016 AHA Recommendations for the Implementation of Telehealth in Cardiovascular and Stroke Care
2014 AHA/ASA Guidelines for the Prevention of Stroke in Patients With Stroke and Transient Ischemic Attack
2015 AHA/ASA Guidelines for the Early Management of Patients With Acute Ischemic Stroke Regarding Endovascular Treatment
2015 AHA/ASA Scientific Statement: Rationale for the Inclusion and Exclusion Criteria for Intravenous Alteplase in Acute Ischemic Stroke
2014 AHA/ASA Guidelines for the Prevention of Stroke in Women
Surgery
Surgery
2013 ACCF/AHA Report on the Management of Patients With Peripheral Artery Disease: A Compilation of Recommendations
2014 SCAI/ACC/AHA Expert Consensus Document on Percutaneous Coronary Intervention Without On-Site Surgical Backup
2016 ACC/AHA Statement on Surgery for Aortic Dilatation in Patients With Bicuspid Aortic Valves
2015 STS/SCA/AmSECT Clinical Practice Guidelines for Cardiopulmonary Bypass — Temperature Management During Cardiopulmonary Bypass
2017 AHA/ACC Focused Update on the Management of Patients With Valvular Heart Disease
Vascular Medicine
Vascular Medicine
2014 ATS Clinical Practice Guideline Diagnosis, Risk Stratification, Management of Pulmonary Hypertension of Sickle Cell Disease
2016 AHA/ACC Guideline on the Management of Patients With Lower Extremity Peripheral Artery Disease
2014 JNC8 Evidence-Based Guideline for the Management of High Blood Pressure in Adults
2015 AHA/ASA Guidelines for the Management of Patients With Unruptured Intracranial Aneurysms
2014 ACC/AHA/AATS/PCNA/SCAI/STS Focused Update of the Guideline for the Diagnosis and Management of Patients With Stable Ischemic Heart Disease
Patient Information
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Rate Dependent Right Bundle Branch Block ECG
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Rate Dependent Right Bundle Branch Block ECG
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ECG Findings:
1.
Atrial Fibrillation with an uncontrolled ventricular response
2.
Rate Dependent Right Bundle Branch Block (RBBB)
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