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Related Concept Videos

Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

641
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...
641
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

1.0K
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...
1.0K
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

4.0K
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...
4.0K
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

958
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...
958
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

399
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.
399
Heart Failure Drugs: Diuretics01:22

Heart Failure Drugs: Diuretics

1.0K
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 affects liver morphology and function. What are the clinical implications?

E Goncalvesova, M Kovacova

    Bratislavske Lekarske Listy
    |February 20, 2018
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    Summary

    Heart failure commonly causes liver dysfunction through impaired circulation. Recognizing congestive versus ischemic liver injury phenotypes is crucial for effective treatment and improved patient prognosis.

    Keywords:
    heart failure congestion.liver dysfunction

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    Area of Science:

    • Cardiology
    • Hepatology
    • Internal Medicine

    Background:

    • Liver dysfunction is a frequent and significant complication in patients with advanced or severe acute heart failure.
    • Impaired hepatic circulation, due to congestion or hypoperfusion, underlies these liver lesions.
    • Understanding these liver issues is vital for managing heart failure patients.

    Purpose of the Study:

    • To elucidate the distinct phenotypes of liver injury in heart failure.
    • To highlight the clinical significance of differentiating congestive from ischemic liver lesions.
    • To emphasize the importance of this knowledge for guiding acute decompensation treatment.

    Main Methods:

    • Clinical observation and biochemical marker analysis (bilirubin, alkaline phosphatase, transaminases).
    • Histological examination of hepatic tissue to identify characteristic lesion types.
    • Assessment of hepatic circulation indicators like inferior vena cava and hepatic vein dilation.

    Main Results:

    • Congestive liver lesions, marked by hepatomegaly and elevated direct bilirubin/alkaline phosphatase, are more common.
    • Ischemic liver lesions, associated with hypoxemia and elevated total bilirubin/transaminases, indicate a poor prognosis if unaddressed.
    • Impaired liver proteosynthetic function and abnormal liver function tests correlate with poor outcomes.

    Conclusions:

    • Differentiating between congestive and ischemic liver injury phenotypes in heart failure is essential for targeted treatment.
    • Monitoring biochemical markers, hepatic perfusion, and liver stiffness aids in evaluating treatment efficacy and achieving euvolemia.
    • Appropriate management of heart failure-related liver dysfunction can improve patient prognosis.