RV PV Loop and Pulmonary Valve: Acute Adaptations to Leakage

Introduction The RV PV Loop (Right Ventricular Pressure-Volume Loop) is a fundamental tool used to assess the dynamic function of the right ventricle (RV) under varying physiological and pathological conditions. One of the key disruptions in right ventricular function is pulmonary valve leakage, also known as pulmonary regurgitation. This condition results in the backward flow … Read more

Left Atrial PV Loops: Effects of Left Atrial Enlargement

Introduction The left atrial (LA) pressure-volume (PV) loop is a crucial tool for understanding the mechanical function of the left atrial chamber in the heart. With left atrial enlargement (LAE), significant changes occur in the compliance and function of the left atrial, affecting cardiovascular performance. This article explores how PV loops change due to left … Read more

Fundamentals of Ventriculo-Arterial Coupling: Understanding the Balance Using PV Loops

Introduction The human cardiovascular system operates through a complex interplay between the heart and blood vessels to maintain optimal circulation. A critical aspect of this interaction is ventriculo-arterial coupling, which describes the balance between cardiac contractility and arterial load. This balance ensures efficient energy transfer from the heart to the arteries, optimizing cardiac output and … Read more

PV Loops Used for Determining Surgical Suitability: Baseline Hemodynamic Profiles in Congenitally Corrected Transposition of the Great Arteries (CCTGA)

Introduction Congenitally Corrected Transposition of the Great Arteries (CCTGA) is a rare congenital heart defect characterized by atrioventricular and ventriculoarterial discordance. The right ventricle (RV) assumes systemic circulation, which can lead to progressive dysfunction over time. Surgical intervention may be required, but assessing preoperative risk remains a challenge. Pressure-volume (PV loops) analysis has emerged as … Read more

Enhancing Real-Time Cardiac Monitoring with Baan’s Equation and PV Loop catheter Technologies

Introduction Advancements in cardiac monitoring technology have transformed how clinicians assess heart function in real-time, particularly in intraoperative and critical care settings. Two pivotal innovations—Baan’s Equation and PV Loop catheter technologies—offer a synergistic approach to improving hemodynamic evaluation. Baan’s Equation provides a mathematical model to estimate ventricular volume, while the PV Loop catheter enables real-time … Read more

Fundamentals of PV Loops and Potential Energy: Calculation Methods

Introduction The fundamentals of PV Loops and Potential Energy are essential for understanding cardiac mechanics and energy transfer within the heart. The PV loop (pressure-volume loop) graphically represents the changes in pressure and volume throughout the cardiac cycle, allowing researchers and clinicians to assess heart function dynamically. By analyzing the area enclosed within the PV … Read more

PV Loops and Mechanical Energy Efficiency: Impact of Afterload Modulation

Introduction The heart is a highly efficient mechanical pump, continuously adjusting to changes in vascular conditions to maintain optimal cardiac output. A critical tool for analyzing cardiac function is the pressure-volume (PV) loop, which provides real-time insight into how the heart adapts to various physiological and pathological conditions. Among the many factors influencing cardiac performance, … Read more

Baseline PV Loop Analysis and RV-PA Coupling in Healthy vs. Diseased States

Introduction Cardiovascular function is a complex interplay between the heart and vasculature, particularly between the right ventricle (RV) and pulmonary artery (PA). The efficiency of this relationship, termed RV-PA coupling, is a crucial determinant of right heart function. A key tool in evaluating RV-PA coupling is the pressure-volume (PV) loop analysis, which provides insights into … Read more

Electrophysiology Insights into PV Loop Changes During Catheter Ablation Procedures

Introduction Catheter ablation is a widely used intervention for treating cardiac arrhythmias, particularly atrial fibrillation (AF) and ventricular tachycardia. This procedure directly alters myocardial tissue properties, impacting cardiac function and hemodynamics. One of the key methods to assess these changes is through pressure-volume (PV) loop hemodynamic in electrophysiology, which provides real-time insight into cardiac performance. … Read more

Echocardiography Pitfalls in PV Loop Data Acquisition

Introduction Echocardiography has long been a cornerstone of cardiovascular imaging, offering non-invasive insights into heart function. However, when it comes to pressure-volume (PV) loop analysis, echocardiographic data acquisition presents several technical challenges. While PV loops provide crucial information about cardiac mechanics, accurately capturing this data via echocardiography is complex due to imaging limitations, hemodynamic variability, … Read more