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Related Concept Videos

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 Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

435
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...
435
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

30
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...
30
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

20
Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
20
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
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

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Related Experiment Video

Updated: Aug 7, 2025

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
05:15

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure

Published on: June 10, 2025

157

Serum Chloride and Heart Failure.

Nayan Arora1

  • 1University of Washington, Seattle, Washington.

Kidney Medicine
|March 13, 2023
PubMed
Summary
This summary is machine-generated.

Low serum chloride levels, or hypochloremia, are increasingly linked to worse outcomes in heart failure patients. This review explores chloride

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Last Updated: Aug 7, 2025

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
05:15

Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure

Published on: June 10, 2025

157
Author Spotlight: Unveiling Prognostic Indicators in Heart Failure - The Role of Phase Angle and Bioelectrical Impedance Analysis
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Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test
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Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

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683

Area of Science:

  • Cardiology
  • Electrolyte Physiology
  • Heart Failure Pathophysiology

Background:

  • Heart failure (HF) remains a major public health concern with high prevalence and mortality.
  • Traditionally, serum sodium has been the focus for electrolyte imbalances in HF.
  • Emerging evidence suggests serum chloride plays a critical role in HF progression.

Purpose of the Study:

  • To review the current understanding of chloride's role in heart failure.
  • To examine basic science, translational, and clinical evidence linking chloride to HF outcomes.
  • To discuss potential therapeutic strategies targeting chloride homeostasis in HF.

Main Methods:

  • Comprehensive literature review of basic science, translational research, and clinical studies.
  • Analysis of existing data on serum chloride levels and their association with HF pathophysiology and prognosis.
  • Exploration of potential mechanisms by which chloride influences HF.

Main Results:

  • Hypochloremia is associated with increased neurohumoral activation in HF patients.
  • Low serum chloride levels correlate with resistance to diuretic therapy.
  • Hypochloremia is a significant predictor of poor prognosis in heart failure.

Conclusions:

  • Chloride is a critical electrolyte in heart failure, with hypochloremia indicating worse outcomes.
  • Understanding chloride homeostasis is essential for managing heart failure.
  • Targeting chloride balance may offer novel therapeutic avenues for heart failure treatment.