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Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
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Heart failure with preserved ejection fraction and the first law of thermodynamics
1Department of Cardiology, Zucker School of Medicine, Hemstead, NY 11549, United States. 62batmz894@gmail.com.
World Journal of Cardiology
|November 4, 2024
Insights
Heart failure with preserved ejection fraction involves diastolic dysfunction despite normal ejection fraction. This article explores if these findings align with the principles of the law of conservation of energy.
Area of Science:
- Cardiology
- Thermodynamics
- Physiology
Background:
- Heart failure with preserved ejection fraction (HFpEF) is characterized by diastolic dysfunction.
- Systolic function, measured by ejection fraction, remains normal in HFpEF.
- Diastolic abnormalities in HFpEF require further mechanistic understanding.
Purpose of the Study:
- To investigate the relationship between diastolic dysfunction in HFpEF and fundamental thermodynamic principles.
- To determine if the energy dynamics in HFpEF are consistent with the law of conservation of energy.
Main Methods:
- Review of existing literature on HFpEF pathophysiology.
- Analysis of energy transfer and transformation within the left ventricle during diastole.
- Application of the first law of thermodynamics to cardiac function in HFpEF.
Main Results:
- Diastolic dysfunction implies altered energy dissipation and storage in the left ventricle.
- The law of conservation of energy dictates that energy cannot be created or destroyed, only transformed.
- Observed abnormalities in HFpEF suggest potential inefficiencies in energy transformation during diastole.
Conclusions:
- The diastolic abnormalities in HFpEF may represent a state where energy transformations are altered, but not violated.
- Further research is needed to fully elucidate the thermodynamic implications of diastolic dysfunction in HFpEF.
- Understanding these principles could offer new perspectives on HFpEF treatment strategies.
Abstract:
In heart failure with preserved ejection fraction, significant left ventricular diastolic abnormalities are present, despite a normal systolic ejection fraction. This article will consider whether this is consistent with the law of conservation of energy, also know as the first law of thermodynamics.
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