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Related Concept Videos

Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

1.7K
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...
1.7K
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

19
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...
19
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

23
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...
23
Heart Failure V: Medical Management01:30

Heart Failure V: Medical Management

18
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...
18
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

29
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...
29
Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

129
The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...
129

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A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs
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Heart Failure with Preserved Ejection Fraction: Concise Review.

Swaminathan Perinkulam Sathyanarayanan1, Mansi Oberoi1, Muhammad Hamza Saad Shaukat2

  • 1Department of Internal Medicine, University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota.

South Dakota Medicine : the Journal of the South Dakota State Medical Association
|March 9, 2023
PubMed
Summary
This summary is machine-generated.

Heart failure with preserved ejection fraction (HFpEF) is common in the elderly but often missed. This review covers HFpEF definitions, causes like diastolic dysfunction, and current supportive treatments.

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Area of Science:

  • Cardiology
  • Geriatrics

Background:

  • Heart failure with preserved ejection fraction (HFpEF) is a prevalent condition disproportionately affecting the elderly population.
  • Diagnostic inconsistencies lead to underdiagnosis and undertreatment of HFpEF.
  • HFpEF involves complex pathophysiology beyond diastolic dysfunction, including systolic limitations and arterial stiffness.

Approach:

  • This review synthesizes current American College of Cardiology/American Heart Association and European Society of Cardiology guidelines.
  • It examines the multifaceted pathophysiology of HFpEF.
  • Current supportive management strategies are discussed.

Key Points:

  • Diastolic dysfunction is a primary driver, but arterial stiffness and ventricular-arterial coupling also play significant roles.
  • Underdiagnosis remains a challenge due to varied diagnostic criteria.
  • Treatment remains primarily supportive, focusing on symptom management.

Conclusions:

  • Accurate diagnosis and understanding of HFpEF's complex pathophysiology are crucial.
  • Further research into targeted therapies is needed to improve patient outcomes.
  • Current management focuses on supportive care and addressing contributing factors.