Atrial enlargement

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Atrial enlargement refers to a condition where the left atrium or right atrium of the heart is larger than would be expected. It can also affect both atria.^[1]

Types include:

References

^ http://library.med.utah.edu/kw/ecg/ecg_outline/Lesson7/index.html

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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