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Videos de Conceptos Relacionados

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 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 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 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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Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

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Same author

Association between locomotor muscle quality and cardiac function during exercise in heart failure with preserved ejection fraction.

European journal of heart failure·2024
Same author

Tirzepatide Reduces LV Mass and Paracardiac Adipose Tissue in Obesity-Related Heart Failure: SUMMIT CMR Substudy.

Journal of the American College of Cardiology·2024
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Tirzepatide for Heart Failure with Preserved Ejection Fraction and Obesity.

The New England journal of medicine·2024
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Effects of Tirzepatide on the Clinical Trajectory of Patients With Heart Failure, Preserved Ejection Fraction, and Obesity.

Circulation·2024
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Effects of tirzepatide on circulatory overload and end-organ damage in heart failure with preserved ejection fraction and obesity: a secondary analysis of the SUMMIT trial.

Nature medicine·2024
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Prevalence of HFpEF in Isolated Severe Secondary Tricuspid Regurgitation.

JAMA cardiology·2024

Video Experimental Relacionado

Updated: Aug 7, 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

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Insuficiencia cardíaca con fracción de eyección preservada: una revisión

Margaret M Redfield1, Barry A Borlaug1

  • 1Department of Cardiovascular Disease, Division of Circulatory Failure, Mayo Clinic, Rochester, Minnesota.

JAMA
|March 14, 2023
PubMed
Resumen

La insuficiencia cardíaca con fracción de eyección preservada (HFpEF) afecta a millones de personas en todo el mundo. Los tratamientos de primera línea incluyen inhibidores de SGLT2, ejercicio y autocuidado, mejorando los resultados para esta afección común.

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A Surgical Model of Heart Failure with Preserved Ejection Fraction in Tibetan Minipigs
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Last Updated: Aug 7, 2025

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Área de la Ciencia:

  • Cardiología
  • Investigación de la insuficiencia cardíaca
  • Medicina Clínica

Sus antecedentes:

  • La insuficiencia cardíaca con fracción de eyección preservada (HFpEF) afecta a 3 millones en los Estados Unidos y a 32 millones en todo el mundo, con altas tasas de hospitalización y mortalidad.
  • Los principales factores de riesgo incluyen la edad avanzada, la hipertensión, la diabetes, la dislipidemia y la obesidad.
  • Los pacientes a menudo presentan disnea, con o sin congestión manifiesta, lo que requiere enfoques diagnósticos precisos como la puntuación H2FPEF.

Conclusiones:

  • La gestión de la HFpEF requiere un enfoque multifacético que incluya farmacoterapia, modificaciones del estilo de vida y educación del paciente.
  • Los inhibidores del cotransportador de sodio-glucosa tipo 2 representan un avance significativo en el tratamiento de la HFpEF.
  • La educación integral sobre el autocuidado es vital para prevenir la descompensación y mejorar los resultados del paciente.