Introduction The heart is a complex, efficient pump that performs the vital task of circulating blood throughout the body. Its performance can be assessed using Pressure-Volume (PV) loops, which graphically represent the changes in pressure and volume within the left ventricle during a cardiac cycle. These loops provide a wealth of information about cardiac function, … Read more
A detailed analysis of how atrial shunting impacts the geometry and phases of the pressure-volume (PV) loop in the cardiac cycle reveals critical insights into the complexities of cardiac physiology. This article examines the fundamental concepts of atrial shunting, how it alters cardiac hemodynamics, and its impact on the PV loops in atrial shunting, which … Read more
The Fontan circulation represents a pivotal approach for managing single-ventricle physiology in congenital heart disease patients. However, the unique physiology of the Fontan system—characterized by the absence of a sub-pulmonary ventricle—has profound implications for cardiovascular dynamics. Pressure-volume (PV) loops provide a robust framework to analyze these hemodynamic alterations, offering insights into how preload, afterload, and … Read more
Understanding the diastolic function of the right ventricle (RV) is crucial in diagnosing and managing various cardiovascular diseases. This article delves into the relaxation and compliance properties of the RV, with an emphasis on the depiction of these properties in Right Ventricle PV Loop filling phases. By understanding the nuances of pressure-volume (PV) loops, clinicians … Read more
Introduction The human cardiovascular system is a remarkable network, constantly adapting to maintain stability in response to physiological demands. Central to this system are two interconnected phenomena: cardiac output and blood volume regulation, both of which are crucial for sustaining life. Understanding the blood volume and blood pressure relationship sheds light on how the heart … Read more
The ventricular volume-pressure loop is a cornerstone of cardiovascular physiology, offering a graphical representation of the relationship between pressure and volume within the heart’s ventricles during a cardiac cycle. By visualizing how the heart’s left ventricle operates, this loop aids in understanding key concepts like preload, afterload, contractility, and compliance. This article provides a foundational … Read more
CD Leycom is thrilled to unveil BiV Conduct NT™, the latest evolution of our PVLoop software! As the next generation of Conduct NT, this update introduces powerful new features designed to elevate your experience. Check out the video below for a quick glimpse of what’s new!
Aortic stenosis is a severe cardiovascular condition that alters the heart’s function by obstructing blood flow from the left ventricle into the aorta. Understanding how this condition reshapes the dynamics of the pressure-volume loop in aortic stenosis provides essential insights into its pathophysiology. This article delves into the hemodynamic changes caused by aortic stenosis, focusing … Read more
Understanding the heart’s function at a physiological level is critical for diagnosing and managing congenital heart diseases (CHDs). Among the various tools available, pressure-volume loops stand out for their ability to offer detailed insights into cardiac function. This article delves into the diagnostic utility of pressure-volume loop heart analyses in CHDs, with a specific focus … Read more
The pressure-volume (PV) loop is a critical diagnostic tool for understanding cardiac mechanics, offering insights into the dynamic relationship between ventricular pressure and volume during a cardiac cycle. By comparing the mitral stenosis PV loop with that of a normal heart, we can observe profound alterations in the morphology that reflect the underlying pathophysiology. In … Read more