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Related Concept Videos

Heart Failure I: Introduction01:27

Heart Failure I: Introduction

1.3K
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...
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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.
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...
3.4K
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

4.6K
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...
4.6K
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

889
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...
889
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

607
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...
607
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

1.4K
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...
1.4K

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Updated: Apr 6, 2026

Implantation of Total Artificial Heart in Congenital Heart Disease
07:27

Implantation of Total Artificial Heart in Congenital Heart Disease

Published on: July 18, 2014

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Congestive Heart Failure.

Michael C Scott1, Michael E Winters2

  • 1Emergency Medicine/Internal Medicine/Critical Care Program, Department of Emergency Medicine, University of Maryland Medical Center, 110 South Paca Street, 6th Floor, Suite 200, Baltimore, MD 21201, USA; Department of Medicine, University of Maryland Medical Center, 22 South Greene Street, Baltimore, MD 21201, USA.

Emergency Medicine Clinics of North America
|August 1, 2015
PubMed
Summary
This summary is machine-generated.

Acute decompensated heart failure requires immediate ED treatment, often without volume overload. Focus on ventilation, nitrates, and afterload reduction before diuretics for critical heart failure patients.

Keywords:
Acute decompensated heart failureAngiotensin converting enzyme inhibitorsCongestive heart failureDiureticsInotropesNitratesNoninvasive positive pressure ventilation

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Area of Science:

  • Cardiology
  • Emergency Medicine

Background:

  • Acute decompensated heart failure (ADHF) patients are critically ill.
  • Most ADHF patients are not volume overloaded upon presentation.

Purpose of the Study:

  • To outline emergency department (ED) management strategies for ADHF.
  • To emphasize optimal sequencing of interventions for ADHF.

Main Methods:

  • Rapid initiation of noninvasive positive-pressure ventilation.
  • Aggressive titration of nitrates for vasodilation.
  • Consideration of angiotensin-converting enzyme inhibitors for afterload reduction.

Main Results:

  • Diuretics should be withheld until preload and afterload are optimized.
  • Inotropic therapy may benefit select ADHF patients with cardiogenic shock unresponsive to initial treatments.

Conclusions:

  • ED management of ADHF prioritizes ventilation and afterload reduction.
  • Strategic timing of interventions like diuretics and inotropes is crucial for ADHF patient outcomes.