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相关概念视频

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

14
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...
14
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

14
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...
14
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

18
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...
18
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

9
Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...
9
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

20
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...
20

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相关实验视频

Updated: Jul 12, 2025

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
09:20

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

Published on: February 13, 2021

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心脏衰竭与保存的喷射分数:一个不断发展的理解.

Sunanda Tah1,2, Melissa Valderrama3, Maham Afzal4

  • 1Surgery, Beckley Appalachian Regional Healthcare (ARH) Hospital, Beckley, USA.

Cureus
|October 30, 2023
PubMed
概括

保存喷射分数 (HFpEF) 的心力衰竭带来了诊断和治疗的挑战. 像GnRH激动剂和阴道刺激等有希望的策略存在,但对于HFpEF还没有确定的治疗方法.

关键词:
诊断 诊断 诊断 诊断 诊断 诊断听到失败的失败听到失败的失败左心室填充压力的压力保存在的喷射分数.治疗治疗治疗治疗治疗治疗

更多相关视频

A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs
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A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs

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Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF
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Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF

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相关实验视频

Last Updated: Jul 12, 2025

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
09:20

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

Published on: February 13, 2021

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A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs
07:09

A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs

Published on: February 18, 2022

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Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF
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Author Spotlight: Exploring the Relationship Between Lipotoxicity and HFpEF

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科学领域:

  • 心脏病学 心脏病学
  • 内部医学 内部医学
  • 临床科学 临床科学

背景情况:

  • 保持喷射分数的心力衰竭 (HFpEF) 是一种普遍的临床综合征,其特征是左心室 (LV) 填充压力升高,尽管LV喷射分数正常.
  • HFpEF比心力衰竭与减少喷射率 (HFrEF) 更常见,并且在诊断/治疗上更具挑战性.
  • 关键的危险因素包括高血压,冠状动脉疾病,以及诸如心房动,糖尿病,慢性病和肥胖等并发症.

研究的目的:

  • 审查目前关于HFpEF的知识,包括其病理生理学,临床表现,诊断困难以及现有和新的治疗策略.
  • 强调了解最新的HFpEF治疗方法的重要性,以获得最佳的患者护理.

主要方法:

  • 这是一个复习文章.
  • 它综合了关于HFpEF的当前科学文献.
  • 该审查涵盖了HFpEF的病理生理学,诊断和治疗.

主要成果:

  • 目前对HFpEF的治疗方法有限,诊断仍然具有挑战性.
  • 几种新的治疗策略显示出有前途,包括GnRH激动剂,Apo a-I纳米粒子输液,低水平的穿皮阴道刺激 (LLTS) 和绝经后妇女的雌激素治疗.
  • 这些策略旨在预防腹功能障碍和HFpEF.

结论:

  • 尽管有前途的新方法,但目前还没有证明HFpEF的治疗方法.
  • 对治疗干预措施的持续研究和更新对于管理HFpEF患者至关重要.