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Related Concept Videos

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...
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Heart Failure Drugs: β-Blockers01:22

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β-adrenergic antagonists, commonly known as β-blockers, block the effects of sympathetic neurotransmitters such as noradrenaline (NA) and adrenaline (ADR). They have several beneficial effects in heart failure treatment. They reduce heart rate, the force of contraction, and cardiac muscle relaxation. They also slow the atrial-ventricular conduction rate and raise the threshold for arrhythmias. The concentration of β-blockers determines their effects on bronchodilation,...
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Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

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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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Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

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The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
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Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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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.
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Exercise and Cardiovascular Response01:20

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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
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Related Experiment Video

Updated: Jul 5, 2025

Assessment of Glutamine as a Fuel Source for Alveolar Macrophages Exposed to Chronic Ethanol Using an Extracellular Flux Bioanalyzer
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Assessment of Glutamine as a Fuel Source for Alveolar Macrophages Exposed to Chronic Ethanol Using an Extracellular Flux Bioanalyzer

Published on: November 15, 2024

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Alcohol and Heart Failure.

Debar Rasoul1,2, Ashwin Ajay1, Alend Abdullah3

  • 1Cardiology Department, Liverpool University Hospitals NHS Foundation Trust Liverpool, UK.

European Cardiology
|January 12, 2024
PubMed
Summary
This summary is machine-generated.

Alcohol consumption poses global health risks, linked to numerous conditions. Moderate intake may offer heart protection, but excessive use can cause cardiac issues like alcoholic cardiomyopathy.

Keywords:
Alcoholalcoholic cardiomyopathyheart failure

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Area of Science:

  • Cardiology
  • Public Health
  • Toxicology

Background:

  • Alcohol is a widely consumed toxic substance, impacting global health.
  • Alcohol use is a significant risk factor for over 60 acute and chronic diseases.
  • Its relationship with cardiovascular disease is complex, with both risks and potential benefits.

Purpose of the Study:

  • To explore the potential cardiac benefits of alcohol consumption.
  • To examine the association between alcohol use and alcoholic cardiomyopathy.
  • To review the epidemiology, clinical features, and management of alcoholic cardiomyopathy.

Main Methods:

  • This is a review article.
  • It synthesizes existing research on alcohol's effects on the heart.
  • Focuses on cohort studies and the impact of varying consumption levels.

Main Results:

  • Chronic excessive alcohol intake is linked to cardiac issues like hypertension, arrhythmias, and heart failure.
  • Low-level alcohol consumption may have a protective effect against ischemic heart disease and diabetes.
  • A threshold effect of alcohol on heart health is suggested, possibly influenced by genetic predisposition.

Conclusions:

  • Alcohol's impact on cardiovascular health is dose-dependent and complex.
  • Excessive consumption leads to alcoholic cardiomyopathy, while moderate intake might offer some protection.
  • Understanding these nuances is crucial for public health strategies and clinical management.