The electrocardiogram: Difference between revisions

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{{SI}}
{{SI}}
{{CMG}}; '''Assistant Editor(s)-in-Chief:''' [[User:Rim Halaby|Rim Halaby]]
{{CMG}}; '''Assistant Editor-in-Chief:''' [[User:Rim Halaby|Rim Halaby]]


==Fundamentals of EKG==
==Fundamentals of EKG==
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===Abnormal Findings on the EKG===
===Abnormal Findings on the EKG===
*[[Delta wave]]
*[[H wave]]
*[[K wave]]
*[[Low QRS voltage]]
*[[Nonspecific ST-segment and T-wave changes]]
*[[NSSTW changes]]
*[[Osborn wave]]
*[[P wave alternans]]
*[[P wave alternans]]
*[[Retrograde P wave]]
*[[Poor R wave progression]]
*[[PR interval alternans]]
*[[PR interval alternans]]
*[[QRS complex alternans]]
*[[QRS complex alternans]]
*[[Low QRS voltage]]
*[[QT prolongation]]  
*[[Poor R wave progression]]
*[[Retrograde P wave]]
* [[Sine wave pattern]]
*[[T wave alternans]]
*[[T wave alternans]]
*[[Nonspecific ST-segment and T-wave changes]]
*[[T wave inversion]]
*[[T wave inversion]]
*[[QT prolongation]] 
*[[Tombstone ST elevation]]
*[[Tombstone ST elevation]]
*[[U wave]]
*[[U wave]]
*[[Osborn wave]]
*[[H wave]]
*[[K wave]]
*[[Delta wave]]
*[[NSSTW changes]]


==Conduction System==
==Conduction System==
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==Tachyarrhythmias==
==Tachyarrhythmias==
=== Atrial Arrhythmias ===
=== Atrial Arrhythmias ===
*[[Sinus Tachycardia|Sinus tachycardia]]
*[[Atrial fibrillation electrocardiogram|Atrial fibrillation]]
*[[Premature Atrial Contractions (PACs)|Premature atrial contractions (PAC)]]
*[[Atrial flutter electrocardiogram|Atrial flutter]]
*[[Ectopic Atrial Rhythm|Ectopic atrial rhythm]]
*[[Ectopic Atrial Rhythm|Ectopic atrial rhythm]]
*[[Paroxysmal Atrial Tachycardia (PAT)|Paroxysmal atrial tachycardia (PAT)]]
*[[Multifocal Atrial Tachycardia (MAT)|Multifocal atrial tachycardia (MAT)]]
*[[Paroxysmal Atrial Tachycardia (PAT) with Block|Paroxysmal atrial tachycardia (PAT) with block]]
*[[Paroxysmal Atrial Tachycardia (PAT) with Block|Paroxysmal atrial tachycardia (PAT) with block]]
*[[Multifocal Atrial Tachycardia (MAT)|Multifocal atrial tachycardia (MAT)]]
*[[Premature Atrial Contractions (PACs)|Premature atrial contractions (PAC)]]
*[[Atrial flutter]]
*[[Sinus Tachycardia|Sinus tachycardia]]
*[[Atrial fibrillation|Atrial fibrillation]]
*[[Supraventricular tachycardia electrocardiogram|Supraventricular tachycardia]]
*[[Wandering atrial pacemaker]]
*[[Wandering atrial pacemaker]]


=== Ventricular Arrhythmias ===
=== Ventricular Arrhythmias ===
*[[Ventricular tachycardia]]
*[[Accelerated idioventricular rhythm electrocardiogram|Accelerated idioventricular rhythm]]
*[[Ventricular fibrillation]]
*[[Ventricular fibrillation electrocardiogram|Ventricular fibrillation]]
*[[Differential Diagnosis of Tachycardia with a Wide QRS Complex|Differential diagnosis of tachycardia with a wide QRS complex]]
*[[Accelerated Idioventricular Rhythm|Accelerated idioventricular rhythm]]
*[[Ventricular Parasystole|Ventricular parasystole]]
*[[Ventricular Parasystole|Ventricular parasystole]]
*[[Ventricular Tachycardia Including Torsades De Pointes and Polymorphic Ventricular Tachycardia|Premature ventricular contractions]]
*[[Ventricular tachycardia electrocardiogram|Ventricular tachycardia]]
*[[Ventricular Tachycardia Including Torsades De Pointes and Polymorphic Ventricular Tachycardia]]
*[[Wide complex tachycardias]]
*[[ Sudden cardiac death]]


==Bradycardia and Conduction Abnormalities==
==Bradycardia and Conduction Abnormalities==
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*[[Concealed conduction]]
*[[Concealed conduction]]
*[[AV Junctional Rhythms|AV junctional rhythms]]
*[[AV Junctional Rhythms|AV junctional rhythms]]
*[[Wolff-Parkinson-White Syndrome|Wolff-Parkinson-White syndrome]]
*[[Wolff-Parkinson-White syndrome EKG|Wolff-Parkinson-White syndrome]]
*[[Left Bundle Branch Block|Left bundle branch block]]
*[[Left Bundle Branch Block|Left bundle branch block]]
**[[LAHB|Left anterior hemi-block]]
**[[LAHB|Left anterior hemi-block]]
**[[LPHB|Lefo posterior hemi-block]]
**[[Left posterior fascicular block electrocardiogram|Lefo posterior hemi-block]]
*[[Right Bundle Branch Block|Right bundle branch block]]
*[[Right Bundle Branch Block|Right bundle branch block]]
*[[Trifascicular block]]
*[[Trifascicular block]]
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*[[Hypercalcemia electrocardiogram|Hypercalcemia]]
*[[Hypercalcemia electrocardiogram|Hypercalcemia]]
*[[Hypocalcemia electrocardiogram|Hypocalcemia]]
*[[Hypocalcemia electrocardiogram|Hypocalcemia]]
==EKG Abnormalities in Normal Pregnancy (Physiological Changes)==
*[[QRS axis and voltage|Left axis deviation]]
*[[QRS axis and voltage|Right axis deviation]]
*[[Q wave|Q wave in lead III]]
*[[T wave inversion]]
*[[QRS complex|Increased R/S ratio in V1 and V2]]
*[[ST interval|ST-segment depression]] (usually after anesthesia for C-section)


==Drug Effects on the EKG==
==Drug Effects on the EKG==

Latest revision as of 15:35, 8 February 2016

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Experimental / Informatics

List of terms related to The electrocardiogram

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Assistant Editor-in-Chief: Rim Halaby

Fundamentals of EKG

Basic Principles of Interpretation of an EKG

EKG Complexes

EKG Intervals

Abnormal Findings on the EKG

Conduction System

Tachyarrhythmias

Atrial Arrhythmias

Ventricular Arrhythmias

Bradycardia and Conduction Abnormalities

EKG Findings in Diseases

Cardiac Hypertrophy and Dilatation

Acute Myocardial Infarction

Pre-excitation Syndromes

Cardiomyopathies

Congenital Heart Diseases

Inherited Diseases

Other Heart Diseases

EKG in Other Disease States

EKG Abnormalities in Electrolyte Disturbances

EKG Abnormalities in Normal Pregnancy (Physiological Changes)

Drug Effects on the EKG

Technical Issues and Potential Errors in Interpretation

Additional Information

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