Atrial tachycardia

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Atrial tachycardia
Classification and external resources
ICD-9	427.89
eMedicine	med/188

Atrial tachycardia is a type of atrial arrhythmia in which the heart's electrical impulse comes from an ectopic atrial pacemaker rather than from the SA node. Atrial tachycardias are characterized by very regular rates ranging from 140–220 bpm.^[1]

One form is multifocal atrial tachycardia.

References

^ UCSF Benioff Children's Hospital: Atrial Tachycardia

Cardiovascular disease: heart disease · Circulatory system pathology (I00–I52, 390–429)

Ischaemic

CD/CHD	CAD · Coronary thrombosis · Coronary vasospasm · Coronary artery aneurysm · Coronary artery dissection · Myocardial Bridge

Active ischemia	Angina pectoris (Prinzmetal's angina, Stable angina) · Acute coronary (Unstable angina, Myocardial infarction / heart attack)

Sequelae	hours (Myocardial stunning, Hibernating myocardium) · days (Myocardial rupture) · weeks (Aneurysm of heart/Ventricular aneurysm, Dressler's syndrome)

Layers

Pericardium

Pericarditis (Acute, Chronic/Constrictive) · Pericardial effusion (Hemopericardium, Cardiac tamponade)

Myocardium

Myocarditis (Chagas disease)

Cardiomyopathy: Dilated (Alcoholic) · Hypertrophic · Restrictive (Loeffler endocarditis, Cardiac amyloidosis, Endocardial fibroelastosis)

Arrhythmogenic right ventricular dysplasia

Endocardium/
valves

Endocarditis	Infective endocarditis (Subacute bacterial endocarditis) · noninfective endocarditis (Nonbacterial thrombotic endocarditis, Libman-Sacks endocarditis)

Valves	mitral (regurgitation, prolapse, stenosis) · aortic (stenosis, insufficiency) · tricuspid (stenosis, insufficiency) · pulmonary (stenosis, insufficiency)

Conduction/
arrhythmia

Bradycardia

Sinus bradycardia · Sick sinus syndrome

Heart block: Sinoatrial · AV (1°, 2°, 3°) · Intraventricular (Bundle branch/Right/Left, Left anterior fascicular/Left posterior fascicular, Bifascicular/Trifascicular) · Adams–Stokes syndrome

Tachycardia
(paroxysmal and sinus)

Supraventricular	Atrial (Multifocal) · Junctional (AV nodal reentrant, Junctional ectopic)

Ventricular	Torsades de pointes · Catecholaminergic polymorphic · Accelerated idioventricular rhythm

Premature contraction

Atrial · Ventricular

Pre-excitation syndrome

Wolff-Parkinson-White · Lown-Ganong-Levine

Flutter/fibrillation

Atrial flutter · Ventricular flutter · Atrial fibrillation (Familial) · Ventricular fibrillation

Pacemaker

Wandering pacemaker · Ectopic pacemaker/Ectopic beat · Parasystole · Multifocal atrial tachycardia · Pacemaker syndrome

Long QT syndrome

Romano-Ward syndrome · Andersen-Tawil syndrome · Jervell and Lange-Nielsen syndrome

Cardiac arrest

Sudden cardiac death · Asystole · Pulseless electrical activity · Sinoatrial arrest

Other/ungrouped

hexaxial reference system (Right axis deviation, Left axis deviation) · QT (Short QT syndrome) · T (T wave alternans) · ST (Osborn wave, ST elevation, ST depression)

Cardiomegaly

Ventricular hypertrophy (Left, Right/Cor pulmonale) · Atrial enlargement (Left, Right)

Other

Cardiac fibrosis · Heart failure (Diastolic heart failure, Cardiac asthma) · Rheumatic fever

M: HRT

anat/phys/devp

noco/cong/tumr, sysi/epon, injr

proc, drug (C1A/1B/1C/1D), blte

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