Left Atrial Enlargement: Causes & Reasons

Possible Causes for Left Atrial Enlargement

In acute mitral regurgitation, radiographic signs of left atrial enlargement are often absent 5. [radiopaedia.org]

atrial enlargement convexity or straightening of the left atrial appendage just below the main pulmonary artery (along left heart border) double density sign: the right side [radiopaedia.org]

Electrocardiography shows rhythm and conduction abnormalities, left atrial enlargement and right ventricular hypertrophy if pulmonary hypertension is present. [symptoma.com]

Giant Left Atrium

Left atrial enlargement (LAE) or left atrial dilation refers to enlargement of the left atrium (LA) of the heart, and is a form of cardiomegaly. [en.wikipedia.org]

[…] must be careful not to overcall mild left atrial enlargement on CT 8. [radiopaedia.org]

Severe left atrial enlargement associated with mitral valve disease has been known to carry a poor prognosis in patients undergoing mitral valve repair or replacement. [ncbi.nlm.nih.gov]

Left Atrial Ball Valve Thrombus

[…] in subsequent left atrial enlargement. [wikidoc.org]

atrial thrombus: Until documented resolution Risk factors: Long-term Risk factors: AF, anterior-apical ST-segment elevation myocardial infarction, left atrial enlargement [emedicine.medscape.com]

Atrial fibrillation, left atrial enlargement, and MV stenosis are associated with stasis and thrombus formation. [journals.lww.com]

Left Ventricular Hypertrophy

Enlargement of the left ventricle is commonly associated with left atrial enlargement as well as incomplete LBBB. [meds.queensu.ca]

[…] leads: AKA the left ventricular ‘strain’ pattern Additional ECG changes seen in LVH Left atrial enlargement. [lifeinthefastlane.com]

[…] ventricular strain pattern, or ST-T oriented opposite to QRS direction) Leftward shift in frontal plane QRS axis Evidence for left atrial enlargement (LAE) (lesson 7) ESTES [ecg.utah.edu]

Mitral Valve Stenosis

ECG left atrial enlargement may precipitate atrial fibrillation right ventricular hypertrophy concomitant left atrial enlargement without left ventricular hypertrophy is especially [radiopaedia.org]

[…] features include 2, 4-6 : left atrial enlargement convexity or straightening of the left atrial appendage just below the main pulmonary artery (along left heart border) double [radiopaedia.org]

The left atrium is enlarged, displacing the left atrial appendage outward (red arrow). [learningradiology.com]

Left Ventricular Dilatation

left Atrial enlargement, right Bilat atrial enlargement Bilateral enlargement of atria Cardiomegaly (enlarged heart) Hypertrophy or dilatation of right ventricle Left atrial [icd9data.com]

Common ECG associations with DCM Left atrial enlargement -> may progress to atrial fibrillation. [lifeinthefastlane.com]

left Atrial enlargement, right Bilateral enlargement of atria Cardiomegaly (enlarged heart) Hypertrophy or dilatation of right ventricle Left atrial enlargement Left ventricular [icd10data.com]

Papillary Muscle Dysfunction

Chest X Ray Left atrial enlargement may be present Echocardiography and Doppler Ultrasound Two dimensional electrocardiograph may show changes in thickness of papillary muscle [wikidoc.org]

In acute mitral regurgitation, radiographic signs of left atrial enlargement are often absent 5. [radiopaedia.org]

Investigations CXR may show an enlarged left atrium and left ventricle. ECG often shows a broad P wave of left atrial enlargement. [patient.info]

Atrial Myxoma

They may also develop left atrial enlargement (note the prominent atrial appendage on the chest film) and embolize pieces of the tumor to various organs. [etsu.edu]

[…] evidence of elevated left atrial pressure. [disabled-world.com]

Abnormalities, if present, are non-specific and include: cardiomegaly : left atrial enlargement intracardiac tumoral calcification evidence of mitral valve obstruction evidence [radiopaedia.org]

Mitral Valve Disease

Severe left atrial enlargement associated with mitral valve disease has been known to carry a poor prognosis in patients undergoing mitral valve repair or replacement. [ncbi.nlm.nih.gov]

In patients with chronic MR, chest X-ray findings may include left ventricular and left atrial enlargement, and evidence of heart failure such as pulmonary congestion. [symptoma.com]

Due to the increased volume, left atrial pressure also increases, which leads to compensatory left atrial enlargement and can influence atrial arrhythmias. [healio.com]

Hypertensive Heart Disease

This is a retrospective study: it was designed to evaluate the additive clinical value of left atrial enlargement (LAe) assessment in the evaluation of cardiac organ damage [ncbi.nlm.nih.gov]

The aim of this study was to evaluate the predictive value of left atrial (LA) enlargement in the early stage of hypertensive heart disease and to explore the correlations [ncbi.nlm.nih.gov]

To improve filling, the left atrial pressure increases and left atrial enlargement ensues. [onlinelibrary.wiley.com]

Left Atrial Hypertrophy

Left atrial enlargement Other names Left atrial dilation Specialty Cardiology Left atrial enlargement (LAE) or left atrial dilation refers to enlargement of the left atrium [en.wikipedia.org]

In this article, learn about the causes of left atrial enlargement and the symptoms of conditions related to left atrial enlargement, as well as the treatment options. [medicalnewstoday.com]

enlargement is associated with thrombus formation (check the left atrial appendage) [radiopaedia.org]

Patent Ductus Arteriosus

Left atrial enlargement has been described as a fairly consistent finding (1, 2, 6, 8), but some observers have not been able to confirm this conclusively (10, 11). [pubs.rsna.org]

Substantial pulmonary overcirculation may produce evidence of left atrial enlargement. [msdmanuals.com]

Can have cardiomegaly (predominantly left atrial and left ventricular enlargement if not complicated). [radiopaedia.org]

Persistent Truncus Arteriosus

The electrocardiogram usually shows both right and left ventricular hypertrophy. A left atrial enlargement may be present if pulmonary over-circulation is marked. [symptoma.com]

Substantial pulmonary overcirculation may produce evidence of left atrial enlargement. [merckmanuals.com]

Left Cardiac Ventricle Disorder

A major clue to the presence of grade II diastolic dysfunction vs. normal diastolic function is the presence of structural heart disease such as left atrial enlargement, left [healio.com]

Association of left atrial enlargement with left ventricular hypertrophy and diastolic dysfunction: A tissue doppler study in echocardiographic practice.Blood Press. 2012 [scielo.org.pe]

Left atrial enlargement is commonly seen in mitral regurgitation. [amboss.com]

Aortic Valve Insufficiency

[…] ventricular hypertrophy Left atrial enlargement Chest X-ray Cardiomegaly (cor bovinum) Dilated aortic root Cardiac Catheterization Supravalvular angiography allows assessment [echocardiology.org]

ECG may show repolarization abnormalities with or without QRS voltage criteria of LV hypertrophy, left atrial enlargement, and T-wave inversion with ST-segment depression [merckmanuals.com]

[…] aortic insufficiency and described as a low-pitched mid-diastolic rumble at the apex Bisferien's pulse (widely notched arterial pulse, sometimes palpable) Electrocardiogram Left [echocardiology.org]

Cardiomyopathy

Common ECG associations with DCM Left atrial enlargement -> may progress to atrial fibrillation. [lifeinthefastlane.com]

[…] ventricular wall thickness Associated abnormalities of the mitral valve and left ventricular outflow tract Assessment of latent obstruction Left atrial enlargement Assessment [escardio.org]

Left atrial enlargement is commonly seen in mitral regurgitation. [amboss.com]

Dilated Cardiomyopathy

Common ECG associations with DCM Left atrial enlargement -> may progress to atrial fibrillation. [lifeinthefastlane.com]

left atrium, and may show dilation of the pulmonary veins.[15] ECG can show left atrial enlargement, due to increased pressures in the left atrium.[15] Echocardiography is [en.wikipedia.org]

There is evidence of left atrial enlargement (deep, wide terminal portion of the P wave in V1). [lifeinthefastlane.com]

Coronary Arteriovenous Fistula

atrial enlargement? [slideplayer.com]

Imaging Studies: Echocardiogram: Two-dimensional echocardiograms may reveal left atrial and left ventricular enlargement as a consequence of significant shunt flow or decreased [rjmatthewsmd.com]

[…] and pulm sten 4 Further subdivision… VSD, ASD, PDA, PAPVC, other TGA, truncus, TAPVC, TA, single vent, DORV, DOLV, HLH, multiple pulm AVM’s 5 Noncyanotic disease Is there left [slideplayer.com]

Aortic Valve Stenosis

[…] ventricular hypertrophy, such as left ventricular enlargement and rounded heart apex, usually only in decompensated aortic stenosis, and possibly left atrial enlargement [amboss.com]

(B) The horizontal four-chamber view shows the resultant severe left ventricular hypertrophy and left atrial enlargement. [aafp.org]

The ECG in patients with aortic stenosis frequently shows left ventricular hypertrophy with strain and left atrial enlargement; however, these findings are non-specific for [healio.com]

Familial Atrial Fibrillation Type 2

Early echocardiograms only showed left atrial dilation in two patients, while late echocardiograms showed disease progression with left atrial enlargement in all, mild ventricular [pace-cme.org]

Aortic Valve Disorder

[…] fibrillation is usually present [18] Diagnosis Chest X-ray showing left atrial enlargement [18] Echocardiography is the most important test to confirm the diagnosis. [en.wikipedia.org]

As well, the P waves may show evidence of left atrial enlargement. [emedicine.medscape.com]

[…] axis deviation QT Short QT syndrome T T wave alternans ST Osborn wave ST elevation ST depression Strain pattern 心肥大 Ventricular hypertrophy Left Right / Cor pulmonale Atrial [zh.wikipedia.org]

Corrected Transposition of the Great Vessels

His ECG was performed with deliberate lead reversal and showed normal sinus rhythm with RBBB, RAD, and R wave dominance in lead V1, left atrial enlargement with bifid p wave [scmr.org]

[…] appendage lying above the left atrial appendage (juxtapositioning of the atrial appendages). [radiopaedia.org]

In the absence of a VSD, pulmonary vasculature may be normal and the heart is not enlarged. Patients with VSD can present with pulmonary plethora and cardiomegaly. [radiopaedia.org]

Endocardial Fibroelastosis

[…] hypertension, left atrial enlargement and mild mitral regurgitation. [ncbi.nlm.nih.gov]

He had P mitrale and ST changes on ECG (Fig. 4A), septal thickness of 22 mm (4B), LVEF 65%, biatrial enlargement (4C) and a grade III diastolic dysfunction (4D). [escardio.org]

Echocardiogram showed thickened and dense echoes from the left side of the septum and from the posterior left ventricular endocardium. [ncbi.nlm.nih.gov]

Rheumatic Heart Disease

atrial enlargement (particularly appendage) from mitral valve disease valvular calcification diffuse alveolar hemorrhage can result from severe mitral stenosis CT valvular [radiopaedia.org]

Associated atrial fibrillation or left atrial thrombus formation from chronic mitral valve involvement and atrial enlargement may be observed. [emedicine.medscape.com]

[…] radiograph pericardial calcification pulmonary edema pulmonary ossification : due to mitral valve disease 4 cardiomegaly global cardiomegaly from a dilated cardiomyopathy left [radiopaedia.org]

Congestive Heart Failure

Transthoracic echocardiographic examination showed bilateral atrial enlargement, left ventricular hypertrophy, anteroseptal hypokinesia and akinesia, and moderate mitral and [ncbi.nlm.nih.gov]

enlargement of the left atrium and ventricle, enlargement of the right atrium and ventricle, and smoke-like echo. [nichiju.lin.gr.jp]

Electrocardiography showed ventricular premature contractions and atrial fibrillation, and echocardiography indicated thickening of the mitral and tricuspid valves, marked [nichiju.lin.gr.jp]

Left Ventricular Outflow Obstruction

Left atrial enlargement is often seen, especially when significant mitral regurgitation is present. [patient.info]

ECG: Findings also may include right or left axis deviation, conduction abnormalities, sinus bradycardia with ectopic atrial rhythm and atrial enlargement. [patient.info]

Aortopulmonary Septal Defect

atrial and ventricular enlargement) together with pulmonary plethora. [radiopaedia.org]

[…] septal defect (ASD) right ventricular outflow tract (RVOT) anomalies tetralogy of Fallot pulmonary stenosis pulmonary atresia aortic origin of the right pulmonary artery left [radiopaedia.org]

[…] ventricular outflow tract obstruction transposition of the great arteries coronary anomalies Plain radiograph Chest radiographs may show moderate to severe cardiomegaly (due to left [radiopaedia.org]

Trilogy of Fallot

Right ventricular enlargement. 3. Atrial septal defect (a defect in the wall between the right and left atria). Diagnosis 1. [doctorslounge.com]

Lutembacher Syndrome

Imaging Studies See the list below: Chest radiographs Pulmonary plethora due to left-to-right shunt Mild left atrial enlargement Right ventricular enlargement Pulmonary artery [emedicine.medscape.com]

enlargement, pulmonary artery enlargement, mitral valve calcification (late in life), pulmonary vascular congestion & marked left atrial enlargement. [xpertdox.com]

There was no left atrial hypertrophy. [jpgmonline.com]

Coarctation of the Aorta

[…] pressures with left atrial hypertrophy and enlargement, increased atrial fibrosis, and slowing of intra-atrial and interatrial electrical conduction velocities. [doi.org]

Hypertension has long been recognized as a risk factor for AF because it is associated with LVH, decreased diastolic function with impaired LV filling, rising left atrial [doi.org]

S9.8-6 Left atrial pressure also increases with ischemic or valvular heart disease and myopathies that are often associated with systemic hypertension, potentially leading [doi.org]