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__NOTOC__
{{Hypoplastic left heart syndrome}}
{{Hypoplastic left heart syndrome}}
{{CMG}}; '''Associate Editor(s)-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, M.B.B.S.]][mailto:psingh@perfuse.org], {{CZ}}, [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu]; '''Assistant Editor(s)-In-Chief:''' [[Kristin Feeney|Kristin Feeney, B.S.]][mailto:kfeeney@perfuse.org]
{{CMG}}; '''Associate Editor(s)-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, M.B.B.S.]][mailto:psingh@perfuse.org], {{CZ}}, [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu]; '''Assistant Editor(s)-In-Chief:''' [[Kristin Feeney|Kristin Feeney, B.S.]][mailto:kfeeney@perfuse.org]
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At first, a newborn with hypoplastic left heart may appear normal. Symptoms usually occur in the first few hours of life, although it may take up to a few days to develop symptoms. Common symptoms include [[cyanosis]], [[dyspnea]], and poor circulation.
At first, a newborn with hypoplastic left heart may appear normal. Symptoms usually occur in the first few hours of life, although it may take up to a few days to develop symptoms. Common symptoms include [[cyanosis]], [[dyspnea]], and poor circulation.


==History==
==History and Symptoms==
In babies with HLHS, the [[aorta]] and [[left ventricle]] are very small, and the [[aortic valve|aortic]] and [[mitral valve]]s are either too small to allow sufficient blood flow or are atretic (closed) altogether.  As [[blood]] returns from the [[lung]]s to the [[left atrium]], it must pass through an [[atrial septal defect]] to the right side of the heart.
 
In a healthy human, the left side of the heart receives [[oxygen]]-rich blood from the lungs and pumps it out to the rest of the body; with these structures underdeveloped, they cannot circulate blood to other organs, and the right ventricle must pump blood to both the lungs, as it would normally, and to the rest of the body, a situation which cannot be sustained for long.
 
In cases of HLHS, the right side of the heart often must pump blood to the body through a [[patent ductus arteriosus|patent]] [[ductus arteriosus]].  As the ductus arteriosus usually closes within eleven days after birth, blood flow is severely restricted and eventually cut off, leading to dangerously low circulation and eventually to shock.
 
==Symptoms==
* Bluish ([[cyanosis]]) or poor skin color
* Bluish ([[cyanosis]]) or poor skin color
* [[Cold extremities]]
* [[Cold extremities]]
* [[Hepatomegaly]]
* [[Lethargy]]
* [[Lethargy]]
* [[Poor pulse]]
* [[Poor suckling and feeding]]
* [[Poor suckling and feeding]]
* [[Palpitations]]
* [[Palpitations]]

Revision as of 22:42, 14 October 2012

Hypoplastic left heart syndrome Microchapters

Home

Patient Information

Overview

Historical Perspective

Pathophysiology

Causes

Differentiating Hypoplastic left heart syndrome from other Diseases

Epidemiology and Demographics

Risk Factors

Natural History, Complications and Prognosis

Diagnosis

History and Symptoms

Physical Examination

Laboratory Findings

Electrocardiogram

Chest X Ray

Echocardiography

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S.[2], Cafer Zorkun, M.D., Ph.D. [3], Keri Shafer, M.D. [4]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S.[5]

Overview

At first, a newborn with hypoplastic left heart may appear normal. Symptoms usually occur in the first few hours of life, although it may take up to a few days to develop symptoms. Common symptoms include cyanosis, dyspnea, and poor circulation.

History and Symptoms

References

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