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Heart Failure I: Introduction

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...

Heart Failure V: Medical Management

Heart Failure V: Medical Management

Medical Management of Acute Decompensated Heart Failure (ADHF)The primary goals of therapy for patients hospitalized with acute decompensated heart failure (ADHF) include:Relieving symptomsOptimizing volume statusSupporting oxygenation and ventilationMaintaining cardiac output (CO) and end-organ perfusionIdentifying and addressing the cause of ADHFPreventing complicationsProviding patient education on factors precipitating HF exacerbationPlanning for dischargeOngoing monitoring and assessment...

Heart Failure VII: Nursing Interventions

Heart Failure VII: Nursing Interventions

The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...

Heart Failure IV: Classification and Diagnostic Evaluation

Heart Failure IV: Classification and Diagnostic Evaluation

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...

Heart Failure VI: Adjunct Therapies

Heart Failure VI: Adjunct Therapies

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.

Heart Failure III: Clinical Manifestations

Heart Failure III: Clinical Manifestations

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...

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Related Experiment Video

Updated: Jun 1, 2026

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

Published on: February 13, 2021

Acute heart failure: lessons learned so far.

Jonathan G Howlett¹

¹Department of Cardiac Sciences, University of Calgary, and Libin Cardiovascular Institute, Calgary, Alberta, Canada. jonathan.howlett@cdha.nshealth.ca

The Canadian Journal of Cardiology

|May 24, 2011

Summary

This summary is machine-generated.

Acute heart failure (AHF) impacts many Canadians, with diagnosis shifting to outpatient settings. Current interventions focus on care processes, not new drugs, to improve outcomes for this complex condition.

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Last Updated: Jun 1, 2026

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

Published on: February 13, 2021

Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs

Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs

Published on: April 17, 2021

Area of Science:

Cardiology
Internal Medicine

Background:

Acute heart failure (AHF) is a common and serious condition affecting many Canadians with heart failure (HF).
The diagnosis of AHF is increasingly occurring in outpatient settings, presenting new challenges.
Existing medical therapies have not improved the long-term prognosis of AHF.

Purpose of the Study:

To review recent literature on AHF presentation, diagnosis, management, and prognosis.
To identify critical lessons learned from registry data and clinical trials regarding AHF.
To provide guidelines for improving AHF treatment and highlight research priorities.

Main Methods:

Review of recent literature on acute heart failure.
Analysis of registry data and clinical trial findings.
Synthesis of information on AHF presentation, diagnosis, management, and prognosis.

Main Results:

AHF is a dynamic syndrome with a potentially prolonged pre-clinical instability phase.
Early and accurate diagnosis of AHF is crucial for patient outcomes.
Standard care involves early diuretics, with vasodilators and oxygen for selected patients.
Survivors of AHF face high rates of re-presentation, death, and rehospitalization.
Effective interventions focus on care processes rather than novel medications or devices.

Conclusions:

AHF requires further intensive study, offering opportunities for research and innovation.
Improving care processes is key to enhancing outcomes for patients with AHF.
Guidelines are provided to improve the treatment and management of AHF.