Small Left Ventricle: Causes & Reasons

Possible Causes for Small Left Ventricle

Methylmalonic Acidemia with Homocystinuria Type cblJ

By sequence By domain architecture Training & tutorials FAQs Documentation Overview Similar proteins Structures Export FASTA Export TSV Methylmalonic aciduria and homocystinuria type C protein (Q9Y4U1) Accession Q9Y4U1 (MMAC_HUMAN) Species Homo sapiens (Human) Length 282 amino acids (complete) Source: UniProtKB[…] [ebi.ac.uk]

Mitral Valve Atresia

The small left ventricle is incapable to offer appropriate systemic output, resulting in early heart failure. [symptoma.com]

Hypoplastic left heart syndrome is a critical congenital heart defect with a small left ventricle and stenosis or atresia of the aortic and the mitral valve. [atlases.muni.cz]

Symptoms and Signs Patients with the defect have small left heart ventricles, underdeveloped left heart ventricle, closed mitral valve, and shortness of breath. [medigest.uk]

Hypoplastic Right Heart Syndrome

Abnormal pathology in HLHS The lack of normal development of the left side of the heart includes: A small left ventricle Stenosed atrioventricular opening and a small or absent [news-medical.net]

Problem: Hypoplastic Left Heart Syndrome If the left ventricle is small and weak, this condition is called Hypoplastic Left Ventricle or Hypoplastic Left Heart Syndrome. [childrensheartinstitute.org]

The left ventricle (the lower, pumping chamber) is very small. [chop.edu]

Hypoplastic Left Heart Syndrome

We report a rare case of an infant with HLHS [Severe Aortic Stenosis (AS), Mitral Stenosis (MS) and small Left Ventricle (LV)], who developed aortic regurgitation and presumed [ncbi.nlm.nih.gov]

[…] outcomes are also affected, and whether this impact is related to a small hypertrophied left ventricle (LV) that impairs right ventricle (RV) function. [ncbi.nlm.nih.gov]

Left Cardiac Ventricle Disorder

DILV is one of several heart defects known as single (or common) ventricle defects. People with DILV have a large left ventricle and a small right ventricle. [medlineplus.gov]

The left ventricle (the lower, pumping chamber) is very small. [chop.edu]

Perhaps the most critical defect in HLHS is the small, underdeveloped left ventricle. This chamber is normally very strong and muscular so it can pump blood to the body. [childrensnational.org]

Double Inlet Left Ventricle

Fact sheet on Double Inlet Left Ventricle In this abnormality both atriums are connected to the Left Ventricle. [rch.org.au]

Usually there is a small (hypoplastic) right ventricle (RV), which may be on the opposite side of the heart to the usual (as in " Corrected Transposition"). [rch.org.au]

Common Ventricle

The aorta arises from the small right ventricle and the pulmonary artery arises from the left ventricle. [mountsinai.org]

DILV is one of several heart defects known as single (or common) ventricle defects. People with DILV have a large left ventricle and a small right ventricle. [medlineplus.gov]

In contrast, patients with DILV have the positions of the great arteries reversed and both of the atria empty into an unusually large left ventricle. [news-medical.net]

Shone Syndrome

Hypoplastic (stiff ) left ventricle. Hypoplastic (small) left ventricles are often stiff. [achaheart.org]

This means that the left ventricle pumps at a higher resistance. [achaheart.org]

People with Shone syndrome can also have a small or hypoplastic aortic arch. This results in chronic high blood pressure. [achaheart.org]

Congenital Pulmonary Veins Atresia or Stenosis

Hypoplastic Left Heart Syndrome Hypoplasia of the left ventricle results in a small and non-functional left ventricle to sustain systemic circulation. [learn.pediatrics.ubc.ca]

Hypoplastic left heart syndrome HLHS A birth defect in which the left side of the heart is poorly developed, resulting in small mitral valve, left ventricle and aortic valve [2hearts.org]

HYPOPLASTIC LEFT HEART SYNDROME This is a spectrum of anomalies characterized by a very small left ventricle with mitral and/or aortic atresia or hypoplasia. [sonoworld.com]

Left Posterior Fascicular Block

In left posterior fascicular block the current is conducted to the left ventricle via the left anterior fascicle, which makes the current travel upwards and leftwards producing [derangedphysiology.com]

Explanation: In anterior hemiblock, there is a delay in the activation of the anterior region of the left ventricle, which produces an initial, small wave. [en.my-ekg.com]

Small studies suggest it is associated with fibrosis or scarring of the left ventricle, but the clinical ramifications of this have not been previously studied. [ucsf.edu]

Left Anterior Fascicular Block

Explanation: In anterior hemiblock, there is a delay in the activation of the anterior region of the left ventricle, which produces an initial, small wave. [en.my-ekg.com]

In left anterior fascicular block the current is conducted to the left ventricle via the left posterior fascicle, which makes the current travel downwards and rightwards producing [derangedphysiology.com]

Small studies suggest it is associated with fibrosis or scarring of the left ventricle, but the clinical ramifications of this have not been previously studied. [ucsf.edu]

Double Outlet Right Ventricle

We report the case of a neonate with a complex cardiac anomaly that consisted of a double outlet right ventricle, intact ventricular septum, small left ventricle, and pulmonary [ncbi.nlm.nih.gov]

The four-chamber view is abnormal, with a small posterior left ventricle. 3. [clinicalgate.com]

left ventricle of the heart. ventricle a small cavity or chamber, as in the brain or heart. [medical-dictionary.thefreedictionary.com]

Cor Triloculare Biventriculare

Note the small right ventricle and the large left ventricle. 9 10. [slideshare.net]

The fetal echocardiogram (ECHO) was remarkable for a hypoplastic left atrium, nearly atretic mitral valve, small left ventricle, and a hypoplastic aortic valve with severe [readbyqxmd.com]

and a capacious left ventricle. [embryology.med.unsw.edu.au]

Complex Cardiac Malformation

One AV valve connecting to a left-type main ventricle. 5: Focus on the large VSD between the left-type ventricle and the small right-type ventricle. [radiopaedia.org]

Hypoplastic Left Heart Syndrome Hypoplasia of the left ventricle results in a small and non-functional left ventricle to sustain systemic circulation. [learn.pediatrics.ubc.ca]

In HLHS, most of the structures on the left side of the heart (including the left ventricle, mitral valve, aorta, and aortic valve) are small and underdeveloped. [stanfordchildrens.org]

Bernheim Syndrome

LV indicates left ventricle; VS, ventricular septum. [ncbi.nlm.nih.gov]

Explanted 1-cm thick slices of the ventricles caudal to the basal portion of the heart in our patient. The arrows show the extremely small right ventricular (RV) cavity. [ncbi.nlm.nih.gov]

Anomalies of Great Veins, Congenital

Hypoplastic left heart syndrome consists of a combination of mitral stenosis or atresia, severe aortic stenosis or atresia, and a small left ventricle. [hawaii.edu]

HYPOPLASTIC LEFT HEART SYNDROME This is a spectrum of anomalies characterized by a very small left ventricle with mitral and/or aortic atresia or hypoplasia. [sonoworld.com]

In HLHS, most of the structures on the left side of the heart (including the left ventricle, mitral valve, aorta, and aortic valve) are small and underdeveloped. [stanfordchildrens.org]

Congenital Malformation of the Tricuspid Valve

HYPOPLASTIC LEFT HEART SYNDROME This is a spectrum of anomalies characterized by a very small left ventricle with mitral and/or aortic atresia or hypoplasia. [sonoworld.com]

In HLHS, most of the structures on the left side of the heart (including the left ventricle, mitral valve, aorta, and aortic valve) are small and underdeveloped. [stanfordchildrens.org]

The aorta and left ventricle are too small and the holes in the artery and septum did not properly mature and close. [heart.org]

Multiple Ventricular Septal Defects

The left ventricle appeared relatively small (both ventricles formed the cardiac apex). [academic.oup.com]

In larger defects, there the pressure difference between the right and left ventricles is small and thus the smaller turbulence. [medicaljoyworks.com]

Larger VSDs may show cardiomegaly (particularly left atrial enlargement although the right and left ventricle can also be enlarged). [radiopaedia.org]

Hypoplastic Kidney

Rather than flowing down into the abnormally-small left ventricle, oxygenated blood in the left atrium is pushed directly over to the right side through the open PDA. [zofranlegal.com]

In babies born with HLHS, the heart’s left side didn’t form properly, leaving the organ’s left ventricle and atrium, along with the valves and vessels that allow for adequate [zofranlegal.com]

Far too small to properly pump oxygen-rich blood out to the body, the heart’s left side is forced to rely on several small openings, including the patent ductus arteriosus [zofranlegal.com]

Multiple Types of Congenital Heart Defects 4

Hypoplastic left heart syndrome consists of a combination of mitral stenosis or atresia, severe aortic stenosis or atresia, and a small left ventricle. [hawaii.edu]

HYPOPLASTIC LEFT HEART SYNDROME This is a spectrum of anomalies characterized by a very small left ventricle with mitral and/or aortic atresia or hypoplasia. [sonoworld.com]

In HLHS, most of the structures on the left side of the heart (including the left ventricle, mitral valve, aorta, and aortic valve) are small and underdeveloped. [stanfordchildrens.org]

Aorto-Right Ventricular Tunnel

This includes: A small or hypoplastic left ventricle Atresia or stenosis of the ventricular outflow and inflow tracts Narrowing of the proximal aortic segment Atresia or stenosis [news-medical.net]

(or, less commonly, right) ventricle, which may be accompanied by defects of the proximal coronary arteries or aortic or pulmonary valves” (R McKay, 2005). [medical-dictionary.thefreedictionary.com]

In cases where the left or right ventricle has a defect too severe to function normally (e.g., too small), 3 open heart surgeries will be conducted to enable a reconfiguration [news-medical.net]

Hepatosplenic Amyloidosis

[…] of 2.2 cm, small left ventricle with impaired systolic function and diastolic function with ejection fraction of 45% with global hypokinesis, biatrial enlargement, and estimated [acc.org]

Transthoracic echocardiogram (Figure 1) revealed severe concentric left ventricular hypertrophy (LVH) with interventricular septal thickness of 2.4 cm and posterior wall thickness [acc.org]

Ventricular Septal Defect

[…] itself in increasing left atrium and left ventricle. [echopedia.org]

A ventricular septal defect lets blood leak back from the left ventricle to the right ventricle. [nice.org.uk]

Larger VSDs may show cardiomegaly (particularly left atrial enlargement although the right and left ventricle can also be enlarged). [radiopaedia.org]

Tricuspid Atresia

This cardiac defect is characterized by right ventricular dysplasia with asymmetrical ventricular septal hypertrophy, ventricular septum bulging into the left ventricle, small [ncbi.nlm.nih.gov]

This is a hole in the wall (ventricular septum) between the ventricles. The hole lets some blood flow from the left ventricle into the small right ventricle. [mountnittany.org]

Fact sheet on Tricuspid Atresia Absence of any connection between the right atrium and the right ventricle leads to blood being diverted from the right atrium to the left [rch.org.au]

Low-Cardiac-Output Syndrome

Small Left Ventricle Your heart has four chambers, and the ones that pump blood out to the rest of the body are called ventricles. [verywell.com]

These factors and our observations suggest that small, hyperdynamic, and asymmetrical hypertrophied left ventricles are prone to develop AFV whenever afterload is reduced [saudija.org]

Lethal Occipital Encephalocele - Skeletal Dysplasia Syndrome

left ventricle with mitral and/or aortic atresia or hypoplasia. [quizlet.com]

Hypoplastic left heart syndrome is a critical congenital heart defect with a small left ventricle and stenosis or atresia of the aortic and the mitral valve. [atlases.muni.cz]

[…] teratogen-associated fetal defect and are associated with other cardiac anomalies 50% of the time Ventricular Septal Defect (VSD) is a spectrum of anomalies characterized by a very small [quizlet.com]

Endocardial Cushion Defect

Pathologically, the left ventricle was very small, but without endocardial fibroelastosis, significant subaortic narrowing was evident, resulting from maladherent atrioventricular [ncbi.nlm.nih.gov]

The murmur is caused by the blood passing from the left ventricle to the right ventricle and out the pulmonary artery. [cincinnatichildrens.org]

Abstract We have identified 12 patients with endocardial cushion defect and marked under-development of the left ventricle. [ncbi.nlm.nih.gov]

Cyanotic Congenital Heart Disease

Tricuspid atresia defect is characterized by the following: A small right ventricle A large left ventricle Diminished pulmonary circulation Cyanosis. [stanfordhealthcare.org]

Hypoplastic left heart syndrome consists of a combination of mitral stenosis or atresia, severe aortic stenosis or atresia, and a small left ventricle. [hawaii.edu]

Hypoplastic Left Heart Syndrome Hypoplasia of the left ventricle results in a small and non-functional left ventricle to sustain systemic circulation. [learn.pediatrics.ubc.ca]

Double Outlet Left Ventricle

left ventricle of the heart. ventricle a small cavity or chamber, as in the brain or heart. [medical-dictionary.thefreedictionary.com]

In contrast, patients with DILV have the positions of the great arteries reversed and both of the atria empty into an unusually large left ventricle. [news-medical.net]

In other cases, the left or right ventricle will be too small or malformed to ever function correctly. [chop.edu]

Atrioventricular Septal Defect

If the ASD is not small, the result is dilatation of the left atrium, right atrium and right ventricle. [metealpaslan.com]

Single ventricle defects. Babies are sometimes born with a small lower chamber of the heart, or with one valve missing. [webmd.com]

AO = aorta; IVC = inferior vena cava; LA = left atrium; LV = left ventricle; PA = pulmonary artery; PV = pulmonary veins; RA = right atrium; RV = right ventricle; SVC = superior [merckmanuals.com]