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Related Concept Videos

Obesity01:24

Obesity

300
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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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...
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Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
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Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

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Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
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Heart Failure Drugs: β-Blockers01:22

Heart Failure Drugs: β-Blockers

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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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Overview of the Heart01:07

Overview of the Heart

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The heart, a muscular organ located in the chest, functions as the body's pump, circulating blood through the vascular system. It has four chambers: two atria on top and two ventricles below. The right atrium receives deoxygenated blood from the body and passes it to the right ventricle, which pumps it to the lungs for oxygenation. The left atrium receives oxygenated blood from the lungs and transfers it to the left ventricle, which pumps it to the rest of the body.
The heart's...
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Related Experiment Video

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Obesity and the Heart: Webcast March 18 2025.

Miguel A Quiñones1, Eleanora Avenatti1, Zulqarnain Javed1

  • 1Houston Methodist DeBakey Heart & Vascular Center, Houston, Texas, US.

Methodist Debakey Cardiovascular Journal
|May 5, 2025
PubMed
Summary
This summary is machine-generated.

This webcast explores obesity and its impact on heart health, featuring expert discussions on emerging research and key lessons learned from recent studies.

Keywords:
adiposopathycardiometabolic syndromediabesityfat mass diseaseobesitysocial determinants of healthweight loss

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Area of Science:

  • Cardiology
  • Endocrinology
  • Public Health

Background:

  • Focuses on Issue 21.2, dedicated to the complex relationship between obesity and cardiovascular health.
  • Features a 76-minute webcast with leading experts in the field.

Discussion:

  • Engages authors in a conversation led by the issue's editor.
  • Explores emerging themes and challenges in obesity and heart disease research.
  • Shares practical lessons learned during the research and writing process.

Key Insights:

  • Highlights critical updates on managing obesity-related cardiovascular risks.
  • Discusses the latest findings on the pathophysiology of obesity's effects on the heart.
  • Provides actionable insights for healthcare professionals and researchers.

Outlook:

  • Suggests future research directions in obesity and cardiology.
  • Emphasizes the need for integrated approaches to combatting the obesity epidemic and its cardiac consequences.
  • Aims to advance understanding and clinical practice in this vital area.