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About this article series Why does the right ventricle fail so abruptly – even when it initially seems to cope? Right ventricular failure is best understood through pressure-volume loops, elastance (Ees), afterload (Ea), and ventriculo-pulmonary coupling. These concepts explain how the right ventricle generates pressure, responds to increased pulmonary vascular load, and ultimately fails when the balance between contractility and afterload is lost. In clinical practice, this

This article builds on the fundamental concepts of right-sided heart failure, including clinical features and diagnostic approach, which are covered in detail, available for further reading here : Right-Sided Heart Failure: Clinical Features, Causes, and Diagnosis Acute right ventricular (RV) failure is not just a diagnosis—it’s a rapidly evolving hemodynamic state where rising pulmonary resistance can lead to circulatory collapse within hours. Introduction Acute right ventr

Right-sided heart failure is a clinical condition in which the right ventricle fails to pump blood effectively through the pulmonary circulation, leading to systemic venous congestion and elevated central venous pressure (CVP). It is frequently under-recognized, yet it can result in significant hemodynamic compromise and multi-organ dysfunction if not identified early. Unlike left-sided heart failure, where pulmonary congestion dominates, right-sided failure is characterized

Cardiogenic shock is primarily a low-flow state . Critically reduced cardiac output may be present even when blood pressure appears normal due to compensatory vasoconstriction. In these situations, clinical assessment and echocardiography alone may not fully explain the physiology. Selective use of invasive hemodynamic monitoring with a pulmonary artery catheter (Swan–Ganz) or PiCCO can clarify the dominant mechanism and guide targeted therapy. Key principle: In cardiogenic