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Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

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...
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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...
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

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...
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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 blood...
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

Heart failure and kidney perfusion are interconnected in a complex way. Reduced renal perfusion and venous congestion are two significant factors that contribute to renal dysfunction in heart failure. The kidneys, primarily responsible for fluid balance in the body, are adversely affected due to compromised cardiac output and increased venous pressure. In response to reduced renal perfusion, the kidneys activate neurohumoral mechanisms to restore balance. However, these mechanisms can be...

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Related Experiment Video

Updated: Jun 23, 2026

A Pacing-Controlled Procedure for the Assessment of Heart Rate-Dependent Diastolic Functions in Murine Heart Failure Models
07:49

A Pacing-Controlled Procedure for the Assessment of Heart Rate-Dependent Diastolic Functions in Murine Heart Failure Models

Published on: July 21, 2023

Diastolic dysfunction as a link between hypertension and heart failure.

Anil Verma1, Scott D Solomon

  • 1Ochsner Clinic Foundation, New Orleans, LA 70121, USA.

The Medical Clinics of North America
|May 12, 2009
PubMed
Summary

Hypertension control is key for managing diastolic dysfunction and heart failure with preserved ejection fraction (HFPEF). Effective blood pressure management may reduce complications and improve diastolic function in hypertensive patients.

Related Experiment Videos

Last Updated: Jun 23, 2026

A Pacing-Controlled Procedure for the Assessment of Heart Rate-Dependent Diastolic Functions in Murine Heart Failure Models
07:49

A Pacing-Controlled Procedure for the Assessment of Heart Rate-Dependent Diastolic Functions in Murine Heart Failure Models

Published on: July 21, 2023

Area of Science:

  • Cardiology
  • Hypertension Research
  • Heart Failure Studies

Background:

  • Left ventricular diastolic dysfunction (LVDD) is an early sign of hypertensive myocardial damage, potentially preceding left ventricular hypertrophy (LVH).
  • Heart failure with preserved ejection fraction (HFPEF), or diastolic heart failure, affects roughly half of heart failure patients and involves impaired LV relaxation and increased stiffness.
  • Diastolic dysfunction (DD) and HFPEF prevalence increase with age and hypertension, yet specific therapeutic data are limited.

Purpose of the Study:

  • To review the association between LVDD, HFPEF, and hypertension.
  • To explore the impact of hypertension control on diastolic function and HFPEF outcomes.

Main Methods:

  • Literature review focusing on diastolic dysfunction, HFPEF, and hypertension.
  • Analysis of existing data on therapeutic strategies for these conditions.

Main Results:

  • Hypertension is a significant risk factor and common comorbidity for LVDD and HFPEF.
  • Effective hypertension control emerges as a primary strategy for improving diastolic function.
  • Limited data exist on specific treatments beyond blood pressure management for DD and HFPEF.

Conclusions:

  • Hypertension control is the most effective current strategy for improving diastolic function.
  • Managing hypertension may reduce morbidity and mortality associated with HFPEF.
  • Further research is needed on targeted therapies for diastolic dysfunction and HFPEF.