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Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

82
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...
82
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

95
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...
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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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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...
1.9K
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

75
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
75
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

58
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...
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Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

1.6K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
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Author Spotlight: Investigating HR-Dependent Cardiac Function in Mouse Models Through a Novel Atrial-Pacing Approach
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[Update on diastolic heart failure].

Caroline Morbach1,2,3, Christoph Wanner1,2,4, Stefan Störk5,6,7

  • 1Deutsches Zentrum für Herzinsuffizienz, Universitätsklinikum Würzburg, Am Schwarzenberg15, 97078, Würzburg, Deutschland.

Innere Medizin (Heidelberg, Germany)
|March 14, 2022
PubMed
Summary
This summary is machine-generated.

The updated guidelines emphasize early diagnosis of heart failure with preserved ejection fraction (HFpEF). Treatment focuses on managing comorbidities and utilizing sodium-glucose co-transporter-2 (SGLT2) inhibitors like empagliflozin to improve outcomes.

Keywords:
Cardiac amyloidosisDiastolic dysfunctionHeart failure, preserved ejection fractionHeart failure/clinical guidelinesSodium-glucose transporter‑2 inhibitors

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Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • An updated guideline for heart failure diagnosis and treatment was released in August 2021.
  • Heart failure with preserved ejection fraction (HFpEF) presents diagnostic and therapeutic challenges.

Purpose of the Study:

  • To review guideline changes for diagnosing and treating HFpEF.
  • To highlight key diagnostic criteria and therapeutic strategies for HFpEF.

Main Methods:

  • Review of the European Society of Cardiology-Heart Failure Association 2021 guideline update.
  • Analysis of diagnostic criteria including clinical signs, ejection fraction, natriuretic peptides, and filling pressures.
  • Evaluation of recommended treatments and management programs for HFpEF.

Main Results:

  • HFpEF diagnosis requires clinical signs, LVEF ≥50%, elevated natriuretic peptides, and elevated filling pressures; stress testing if equivocal.
  • Targeted management of comorbidities and diuretics for congestion are recommended.
  • Sodium-glucose co-transporter-2 (SGLT2) inhibitors, particularly empagliflozin, show promise in reducing hard clinical endpoints in HFpEF.

Conclusions:

  • Early HFpEF diagnosis is crucial for improving prognosis.
  • Multidisciplinary care, including exercise programs and self-care strategies, enhances quality of life and exercise tolerance.
  • Innovative therapies, such as SGLT2 inhibitors, are expected to be integrated into future treatment recommendations.