The electrocardiogram: Difference between revisions
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*[[Bundle of His]] | *[[Bundle of His]] | ||
*[[Purkinje fibers]] | *[[Purkinje fibers]] | ||
==Tachyarrhythmias== | |||
=== Atrial Arrhythmias === | |||
*[[Sinus Tachycardia]] | *[[Sinus Tachycardia]] | ||
*[[Premature Atrial Contractions (PACs)]] | *[[Premature Atrial Contractions (PACs)]] | ||
| Line 58: | Line 58: | ||
*[[Atrial fibrillation|Atrial Fibrillation]] | *[[Atrial fibrillation|Atrial Fibrillation]] | ||
*[[Wandering atrial pacemaker]] | *[[Wandering atrial pacemaker]] | ||
=== Ventricular Arrhythmias === | |||
*[[Ventricular tachycardia]] | *[[Ventricular tachycardia]] | ||
*[[Ventricular fibrillation]] | *[[Ventricular fibrillation]] | ||
| Line 67: | Line 67: | ||
*[[Ventricular Tachycardia Including Torsades De Pointes and Polymorphic Ventricular Tachycardia]] | *[[Ventricular Tachycardia Including Torsades De Pointes and Polymorphic Ventricular Tachycardia]] | ||
*[[ Sudden cardiac death]] | *[[ Sudden cardiac death]] | ||
==Bradycardia and Conduction Abnormalities== | |||
*[[Sinus bradycardia]] | *[[Sinus bradycardia]] | ||
*[[First Degree AV Block]] | *[[First Degree AV Block]] | ||
| Line 80: | Line 80: | ||
*[[Right Bundle Branch Block]] | *[[Right Bundle Branch Block]] | ||
*[[Trifascicular block]] | *[[Trifascicular block]] | ||
=== | |||
==EKG Abnormalities in Diseases== | |||
===Cardiac Hypertrophy and Dilatation=== | |||
*[[Electrocardiographic Findings in LVH| Electrocardiographic Findings in Left Ventricular Hypertrophy (LVH)]] | *[[Electrocardiographic Findings in LVH| Electrocardiographic Findings in Left Ventricular Hypertrophy (LVH)]] | ||
*[[Electrocardiographic Findings in Right Ventricular Hypertrophy (RVH)]] | *[[Electrocardiographic Findings in Right Ventricular Hypertrophy (RVH)]] | ||
| Line 88: | Line 90: | ||
*[[Electrocardiographic Findings in Biatrial Enlargement]] | *[[Electrocardiographic Findings in Biatrial Enlargement]] | ||
=== | ===Acute Myocardial Infarction=== | ||
*[[NSTEMI]] | |||
*[[STEMI]] | |||
*[[Tombstone ST elevation]] | |||
*[[Right ventricular myocardial infarction]] | |||
*[[Atrial infarction]] | |||
===Pre-excitation Syndromes=== | |||
*[[Wolff-Parkinson-White Syndrome]] | |||
*[[Lown Ganong Levine Syndrome]] | |||
*[[Mahaim Type Preexcitation]] | |||
===Cardiomyopathies=== | |||
*[[Arrhythmogenic Right Ventricular Dysplasia]] | |||
*[[Dilated Cardiomyopathy]] | |||
*[[Hypertrophic Cardiomyopathy]] | |||
===Congenital Heart Diseases=== | |||
*[[Dextrocardia]] | |||
*[[The EKG in the Patient with an Atrial Septal Defect (ASD)]] | *[[The EKG in the Patient with an Atrial Septal Defect (ASD)]] | ||
*[[ | *[[Ventricular Septal Defect | ||
*[[Tetralogy of Fallot]] | |||
*[[Conjoined Twins or Siamese Twins]] | |||
*[[Congenital heart block]] | |||
===Inherited Diseases=== | |||
*[[Brugada Syndrome]] | |||
===Other Heart Diseases=== | |||
*[[Pericarditis]] | |||
*[[Myocarditis]] | |||
*[[Tamponade]] | |||
*[[Sick Sinus Syndrome]] | |||
*[[Long QT Syndrome]] | |||
===EKG in other disease states=== | |||
*[[EKG Abnormalities in CNS Disease]] | *[[EKG Abnormalities in CNS Disease]] | ||
*[[The EKG of Cardiac Transplantation]] | *[[The EKG of Cardiac Transplantation|EKG changes in the patient with cardiac transplantation]] | ||
*[[Electrocardiography of Traumatic Heart Disease]] | |||
*[[The EKG in a Patient with a Pacemaker]] | *[[The EKG in a Patient with a Pacemaker]] | ||
*[[ | *[[Hypothermia]] | ||
*[[Cardiac effects of insect bites]] | |||
==Drug Effects on the EKG== | ==Drug Effects on the EKG== | ||
*[[The EKG in the Patient Treated with Digitalis|Digitalis]] | *[[The EKG in the Patient Treated with Digitalis|Digitalis]] | ||
Revision as of 23:57, 29 October 2012
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Assistant Editor(s)-in-Chief: Rim Halaby
Fundamentals of EKG
Basic Principles of Interpretation of an EKG
- Introduction to EKG
- How to read an EKG
- Normal sinus rhythm
- QRS axis and voltage
- Overall Overview on Electrocardiography
EKG Complexes
EKG Intervals
Abnormal Findings in EKG
- P wave alternans
- Retrograde P wave
- PR interval alternans
- QRS complex alternans
- Low QRS voltage
- Poor R wave progression
- T wave alternans
- Nonspecific ST-segment and T-wave changes
- T wave inversion
- QT prolongation
- Tombstone ST elevation
- U wave
- Osborn wave
- H wave
- K wave
- Delta wave
- NSSTW changes
Conduction System
Tachyarrhythmias
Atrial Arrhythmias
- Sinus Tachycardia
- Premature Atrial Contractions (PACs)
- Ectopic Atrial Rhythm
- Paroxysmal Atrial Tachycardia (PAT)
- Paroxysmal Atrial Tachycardia (PAT) with Block
- Multifocal Atrial Tachycardia (MAT)
- Atrial Flutter
- Atrial Fibrillation
- Wandering atrial pacemaker
Ventricular Arrhythmias
- Ventricular tachycardia
- Ventricular fibrillation
- Differential Diagnosis of Tachycardia with a Wide QRS Complex
- Accelerated Idioventricular Rhythm
- Ventricular Parasystole
- Premature Ventricular Contractions
- Ventricular Tachycardia Including Torsades De Pointes and Polymorphic Ventricular Tachycardia
- Sudden cardiac death
Bradycardia and Conduction Abnormalities
- Sinus bradycardia
- First Degree AV Block
- Second Degree AV Block
- Complete or Third-Degree AV Block
- Concealed conduction
- AV Junctional Rhythms
- Wolff-Parkinson-White Syndrome
- Left Bundle Branch Block
- Right Bundle Branch Block
- Trifascicular block
EKG Abnormalities in Diseases
Cardiac Hypertrophy and Dilatation
- Electrocardiographic Findings in Left Ventricular Hypertrophy (LVH)
- Electrocardiographic Findings in Right Ventricular Hypertrophy (RVH)
- Electrocardiographic Findings in Biventricular Hypertrophy
- Electrocardiographic Findings in Left Atrial Enlargement
- Electrocardiographic Findings in Right Atrial Enlargement
- Electrocardiographic Findings in Biatrial Enlargement
Acute Myocardial Infarction
Pre-excitation Syndromes
Cardiomyopathies
Congenital Heart Diseases
- Dextrocardia
- The EKG in the Patient with an Atrial Septal Defect (ASD)
- [[Ventricular Septal Defect
- Tetralogy of Fallot
- Conjoined Twins or Siamese Twins
- Congenital heart block
Inherited Diseases
Other Heart Diseases
EKG in other disease states
- EKG Abnormalities in CNS Disease
- EKG changes in the patient with cardiac transplantation
- Electrocardiography of Traumatic Heart Disease
- The EKG in a Patient with a Pacemaker
- Hypothermia
- Cardiac effects of insect bites
Drug Effects on the EKG
- Digitalis
- Quinidine
- Procainamide
- Disopyramide
- Lidocaine
- Tocainide and Mexiletine
- Phenytoin
- Encainide, Flecainide and Propafenone
- β-blockers
- Amiodarone
- Bretylium
- Ca Channel Blockers
- Adenosine
- Phenothiazines
- Tricyclic Antidepressants
- Lithium
EKG in Electrolyte Disturbances
Additional Information