HLHS Diagnosis
| Description | Frequency |

LeftHeart Line - khp

Definition:  Hypoplastic is the adjective from of Hypoplasia, meaning incomplete or arrested development of an organ or a part.  Hypoplastic Left Heart Syndrome is therefore the underdevelopment of the left ventricle of the heart.  The image below ( University of Kansas) shows a normal heart alongside a hypoplastic left heart (click to enlarge).

University of Kansas Learning Resources - HLHS

HLHS can sometimes be diagnosed in utero, although it is generally undetected before birth. The primary symptom of HLHS at birth is a dangerously low blood oxygen saturation level.

View the document "Hypoplastic Left Heart Syndrome" published by Left Heart Matters in pdf format for more diagrams of normal and hypoplastic left hearts.  (Get Acrobat Reader to view the document)

Read the article "What is HLHS", by India's Dr.Mani for a more detailed description of the condition.

LeftHeart Line - khp
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Join us in recognizing February 14, 2002 as "A Day for Hearts:  Congenital Heart Defect Awareness Day."

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