Atrial enlargement

Atrial enlargement

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

↑ "ECG Learning Center - An introduction to clinical electrocardiography". library.med.utah.edu.

Cardiovascular disease (heart) (I00–I52, 390–429)

Coronary disease	Coronary artery disease (CAD) Coronary artery aneurysm Spontaneous coronary artery dissection (SCAD) Coronary thrombosis Coronary vasospasm Myocardial bridge
Active ischemia	Angina pectoris Prinzmetal's angina Stable angina Acute coronary syndrome Myocardial infarction Unstable angina
Sequelae	hours Hibernating myocardium Myocardial stunning days Myocardial rupture weeks Aneurysm of heart / Ventricular aneurysm Dressler syndrome

Layers

Endocardium /
valves

Endocarditis	infective endocarditis Subacute bacterial endocarditis non-infective endocarditis Libman–Sacks endocarditis Nonbacterial thrombotic endocarditis
Valves	mitral regurgitation prolapse stenosis aortic stenosis insufficiency tricuspid stenosis insufficiency pulmonary stenosis insufficiency

Conduction /
arrhythmia

Tachycardia
(paroxysmal and sinus)

Supraventricular	Atrial Multifocal Junctional AV nodal reentrant Junctional ectopic
Ventricular	Accelerated idioventricular rhythm Catecholaminergic polymorphic Torsades de pointes

Premature contraction

Pre-excitation syndrome

Flutter / fibrillation

Long QT syndrome

Other / ungrouped

Other

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