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Published on: October 28, 2020
[The assessment of left ventricular function in cardiac and extracardiac disorders in children]
Georgiana Russu1, A G Dimitriu
1Facultatea de Medicină Clinica I Pediatrie, Universitatea de Medicină şi Farmacie Gr.T. Popa Iaşi.
Insights
The left ventricle (LV) is impacted by various heart and non-heart diseases in children. This study assesses LV function changes in pediatric cardiac and extracardiac disorders, noting impacts on myocardial structure and function.
Area of Science:
- Cardiology
- Pediatric Medicine
- Pathophysiology
Context:
- The left ventricle (LV) is crucial for cardiac function.
- Pediatric cardiac and extracardiac diseases can significantly affect LV performance.
- Understanding these effects is vital for managing pediatric heart conditions.
Purpose:
- To describe cardiac performance during human development.
- To assess left ventricle (LV) function in pediatric cardiac and extracardiac disorders.
- To detail myocardial structural and functional changes in pediatric LV hypertrophy and dilation.
Summary:
- This review details the assessment of left ventricle (LV) function in pediatric patients with cardiac and extracardiac diseases.
- It outlines changes in myocardial structure, and systolic and diastolic function associated with LV hypertrophy and dilation.
- Systemic diseases leading to these LV changes can result in severe pediatric cardiac failure.
Impact:
- Provides insights into the pathophysiology of pediatric heart failure.
- Aids in the diagnosis and management of LV dysfunction in children.
- Highlights the importance of monitoring LV function in systemic diseases affecting pediatric patients.
Abstract:
The left ventricle (LV) suffers during various cardiac and extracardiac diseases. After the description of the cardiac performance during human development, the authors present the assessment of the left ventricle function in some cardiac and also extracardiac disorders of the child. There are listed the changes in myocardial structure, systolic and diastolic function in hypertrophy and dilation of the LV determined by systemic diseases that affect the pediatric patients and can lead to severe cardiac failure.
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Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.

