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Normal tracing | ===Normal tracing=== | ||
*[[Normal tracing|Normal ECG]] | *[[Normal tracing|Normal ECG]] | ||
Technical Problems | ===Technical Problems=== | ||
*[[Technical Problems|Leads misplaced]] | *[[Technical Problems|Leads misplaced]] | ||
*[[Technical Problems|Artifacts]] | *[[Technical Problems|Artifacts]] | ||
Sinus node rhythms and arrhythmias | ===Sinus node rhythms and arrhythmias=== | ||
*[[Rhythm|Sinus rhythm]] | *[[Rhythm|Sinus rhythm]] | ||
*[[Arrhythmias#Sinustachycardia|Sinus tachycardia (>100 beats per minute)]] | *[[Arrhythmias#Sinustachycardia|Sinus tachycardia (>100 beats per minute)]] | ||
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*[[Arrhythmias#Sinusarrest|Sinus arrest or pause]] | *[[Arrhythmias#Sinusarrest|Sinus arrest or pause]] | ||
*[[Arrhythmias#Sino-atrial_exit_block|Sino-atrial exit block]] | *[[Arrhythmias#Sino-atrial_exit_block|Sino-atrial exit block]] | ||
Other Supraventricular Rhythms | ======Other Supraventricular Rhythms=== | ||
*[[Arrhythmias#Atrial premature complexes|Atrial premature complexes]] | *[[Arrhythmias#Atrial premature complexes|Atrial premature complexes]] | ||
*[[Arrhythmias#Atrial premature complexes, nonconducted|Atrial premature complexes, nonconducted]] | *[[Arrhythmias#Atrial premature complexes, nonconducted|Atrial premature complexes, nonconducted]] | ||
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*[[Arrhythmias#Junctional premature complexes|Junctional premature complexes]] | *[[Arrhythmias#Junctional premature complexes|Junctional premature complexes]] | ||
*[[Arrhythmias#Supraventricular tachycardia, paroxysmal|Supraventricular tachycardia, paroxysmal]] | *[[Arrhythmias#Supraventricular tachycardia, paroxysmal|Supraventricular tachycardia, paroxysmal]] | ||
Ventricular Arrhythmias | ===Ventricular Arrhythmias=== | ||
*[[Arrhythmias#Ventricular premature complexes|Ventricular premature complexes]] | *[[Arrhythmias#Ventricular premature complexes|Ventricular premature complexes]] | ||
*[[Arrhythmias#Ventricular escape complexes or rhythm|Ventricular escape complexes or rhythm]] | *[[Arrhythmias#Ventricular escape complexes or rhythm|Ventricular escape complexes or rhythm]] | ||
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*[[Arrhythmias#Ventricular tachycardia, polymorphous (including torsade de pointes)|Ventricular tachycardia, polymorphous (including torsade de pointes)]] | *[[Arrhythmias#Ventricular tachycardia, polymorphous (including torsade de pointes)|Ventricular tachycardia, polymorphous (including torsade de pointes)]] | ||
*[[Arrhythmias#Ventricular fibrillation|Ventricular fibrillation]] | *[[Arrhythmias#Ventricular fibrillation|Ventricular fibrillation]] | ||
Genetic Arrhythmias | ===Genetic Arrhythmias=== | ||
*[[Long QT syndrome]]* | *[[Long QT syndrome]]* | ||
*[[Brugada syndrome]]* | *[[Brugada syndrome]]* | ||
*[[Arrythmogenic Right Ventricular Cardiomyopathy]]* | *[[Arrythmogenic Right Ventricular Cardiomyopathy]]* | ||
*[[Catecholamin Induced Ventricular Tachycardia]]* | *[[Catecholamin Induced Ventricular Tachycardia]]* | ||
Atrial Ventricular Conduction | ===Atrial Ventricular Conduction=== | ||
*[[Atrial Ventricular Conduction|First-degree AV block]] | *[[Atrial Ventricular Conduction|First-degree AV block]] | ||
*[[Atrial Ventricular Conduction|Mobitz Type 1 second-degree AV block (Wenckebach)]] | *[[Atrial Ventricular Conduction|Mobitz Type 1 second-degree AV block (Wenckebach)]] | ||
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*[[Atrial Ventricular Conduction|AV block, complete (third-degree)]] | *[[Atrial Ventricular Conduction|AV block, complete (third-degree)]] | ||
*[[Atrial Ventricular Conduction|AV dissociation]] | *[[Atrial Ventricular Conduction|AV dissociation]] | ||
Intraventricular Conduction | ===Intraventricular Conduction=== | ||
*[[Intraventricular Conduction|Left bundle branch block (fixed or intermittent)]] | *[[Intraventricular Conduction|Left bundle branch block (fixed or intermittent)]] | ||
*[[Intraventricular Conduction|Right bundle branch block (fixed or intermittent, complete or incomplete)]] | *[[Intraventricular Conduction|Right bundle branch block (fixed or intermittent, complete or incomplete)]] | ||
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*[[Intraventricular Conduction|Left posterior fascicular block]] | *[[Intraventricular Conduction|Left posterior fascicular block]] | ||
*[[Ventricular pre-excitation (Wolff-Parkinson-White pattern)]] | *[[Ventricular pre-excitation (Wolff-Parkinson-White pattern)]] | ||
QRS axis and voltage | ===QRS axis and voltage=== | ||
*[[QRS axis and voltage|Right axis deviation (+90 to +180 degrees)]] | *[[QRS axis and voltage|Right axis deviation (+90 to +180 degrees)]] | ||
*[[QRS axis and voltage|Left axis deviation (-30 to -90 degrees)]] | *[[QRS axis and voltage|Left axis deviation (-30 to -90 degrees)]] | ||
*[[QRS axis and voltage|Indeterminate axis]] | *[[QRS axis and voltage|Indeterminate axis]] | ||
*[[QRS axis and voltage|Electrical alternans]] | *[[QRS axis and voltage|Electrical alternans]] | ||
*[[ | *[[QRS axis and voltage|Low voltage (less than 0.5 mV total QRS amplitude in each extremity lead and less than 1.0 mV in each | ||
Precordial lead)]] | Precordial lead)]] | ||
Chamber Hypertrophy and Enlargment | ===Chamber Hypertrophy and Enlargment=== | ||
*[[Chamber Hypertrophy and Enlargment|Left atrial enlargement, abnormality, or conduction defect]] | *[[Chamber Hypertrophy and Enlargment|Left atrial enlargement, abnormality, or conduction defect]] | ||
*[[Chamber Hypertrophy and Enlargment|Right atrial abnormality]] | *[[Chamber Hypertrophy and Enlargment|Right atrial abnormality]] | ||
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*[[Chamber Hypertrophy and Enlargment|Left ventricular hypertrophy with secondary ST-T abnormality]] | *[[Chamber Hypertrophy and Enlargment|Left ventricular hypertrophy with secondary ST-T abnormality]] | ||
*[[Chamber Hypertrophy and Enlargment|Right ventricular hypertrophy with or without secondary ST-T abnormality]] | *[[Chamber Hypertrophy and Enlargment|Right ventricular hypertrophy with or without secondary ST-T abnormality]] | ||
Repolarization (ST-T,U) Abnormalities | ===Repolarization (ST-T,U) Abnormalities=== | ||
*[[Repolarization (ST-T,U) Abnormalities|Early repolarization (normal variant)]] | *[[Repolarization (ST-T,U) Abnormalities|Early repolarization (normal variant)]] | ||
*[[Repolarization (ST-T,U) Abnormalities|Juvenile T waves (normal variant)]] | *[[Repolarization (ST-T,U) Abnormalities|Juvenile T waves (normal variant)]] | ||
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*[[Repolarization (ST-T,U) Abnormalities|Prominent U waves]] | *[[Repolarization (ST-T,U) Abnormalities|Prominent U waves]] | ||
*[[Cardiac Memory|Cardiac Memory]]* | *[[Cardiac Memory|Cardiac Memory]]* | ||
Myocardial Infarction | ===Myocardial Infarction=== | ||
*[[Myocardial Infarction|Inferior MI (acute or recent)]] | *[[Myocardial Infarction|Inferior MI (acute or recent)]] | ||
*[[Myocardial Infarction|Inferior MI (old or age indeterminate)]] | *[[Myocardial Infarction|Inferior MI (old or age indeterminate)]] | ||
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*[[Myocardial Infarction|Right ventricular infarction (acute)]] | *[[Myocardial Infarction|Right ventricular infarction (acute)]] | ||
*[[Myocardial Infarction|Lateral MI (acute or recent)]] | *[[Myocardial Infarction|Lateral MI (acute or recent)]] | ||
Clinical Disorders | ===Clinical Disorders=== | ||
*[[Clinical Disorders|Chronic pulmonary disease pattern]] | *[[Clinical Disorders|Chronic pulmonary disease pattern]] | ||
*[[Clinical Disorders|Acute pericarditis]] | *[[Clinical Disorders|Acute pericarditis]] | ||
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*[[Clinical Disorders|Suggests hypercalcemia]] | *[[Clinical Disorders|Suggests hypercalcemia]] | ||
*[[Clinical Disorders|Suggests CNS disease]] | *[[Clinical Disorders|Suggests CNS disease]] | ||
Pacemaker | ===Pacemaker=== | ||
*[[Pacemaker|Atrial-paced rhythm]] | *[[Pacemaker|Atrial-paced rhythm]] | ||
*[[Pacemaker|Ventricular-paced rhythm]] | *[[Pacemaker|Ventricular-paced rhythm]] | ||