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Related Concept Videos

Heart Failure I: Introduction01:27

Heart Failure I: Introduction

16
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
16
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

1.6K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.6K
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

15
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
15
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

19
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
19
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

463
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
463
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

23
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
23

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Related Experiment Video

Updated: Jul 19, 2025

A Model of Reverse Vascular Remodeling in Pulmonary Hypertension Due to Left Heart Disease by Aortic Debanding in Rats
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Hypertensive Heart Failure.

Filippos Triposkiadis1, Pantelis Sarafidis2, Alexandros Briasoulis3

  • 1School of Medicine, European University Cyprus, 2404 Nicosia, Cyprus.

Journal of Clinical Medicine
|August 12, 2023
PubMed
Summary
This summary is machine-generated.

Hypertension significantly contributes to heart failure (HF), particularly HF with preserved ejection fraction (HFpEF). This review emphasizes the inflammatory and autonomic nervous system aspects of hypertensive heart failure.

Keywords:
autonomic imbalanceejection fractionheart failurehypertensionsympathetic nervous system

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A Rat Model of Pressure Overload Induced Moderate Remodeling and Systolic Dysfunction as Opposed to Overt Systolic Heart Failure
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Area of Science:

  • Cardiology
  • Hypertension Research
  • Heart Failure Studies

Background:

  • Hypertension's role in heart failure development is underestimated in clinical practice.
  • Heart failure with preserved ejection fraction (HFpEF) is often attributed equally to hypertension, obesity, and diabetes mellitus (DM), despite hypertension being the most frequent comorbidity.
  • Unlike hypertension, the causal relationship between other HFpEF comorbidities and HF is often unclear.

Purpose of the Study:

  • To provide a contemporary overview of hypertensive heart failure (HF).
  • To emphasize the inflammatory nature and autonomic nervous system (ANS) imbalance in hypertensive HF.
  • To highlight the pathophysiologic and therapeutic relevance of these factors.

Main Methods:

  • This paper is a review and synthesis of existing literature.
  • Focuses on epidemiological evidence and pathophysiological mechanisms.
  • Emphasizes the role of inflammation and ANS imbalance.

Main Results:

  • Hypertension is the most frequent and impactful comorbidity in HFpEF.
  • HF development in obesity or DM is rare without coexisting hypertension or coronary artery disease (CAD).
  • Inflammation and ANS imbalance are key pathophysiological factors in hypertensive HF.

Conclusions:

  • Hypertension is a primary driver of heart failure, especially HFpEF.
  • Inflammatory processes and autonomic nervous system dysfunction are critical in hypertensive heart failure.
  • Understanding these mechanisms offers therapeutic potential for managing hypertensive HF.