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    Heart Failure Complications

    Heart Failure Complications

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    Topic Overview

    Even if you are treating your heart failure successfully, you may develop a complication that can be serious and life-threatening. It is important to identify complications of heart failure as soon as possible, because some can be extremely serious conditions. You can discuss your complications with your doctor and learn to take the proper steps to prevent them. The table below outlines the complications of heart failure.

    Common complications of heart failure


    What is it?

    What problems does it cause?

    Atrial fibrillation An irregular heart rhythm (arrhythmia)
    • Can make heart failure worse
    • Greatly increases risk of stroke
    • Can cause palpitations
    Ventricular fibrillation or tachycardia Irregular heart rhythms (arrhythmias)
    • Syncope (fainting)
    • Palpitations
    • Sudden death
    Kidney failure Reduced functioning of your kidneys
    • Decreased urine output
    • Fatigue, poor appetite, lethargy
    • Ultimately life-threatening

    Decreased oxygen-carrying hemoglobin in red blood cells

    • Weakness and fatigue
    • May raise risk of problems linked to heart failure
    Stroke Your brain is deprived of oxygen because its blood supply has been significantly decreased or cut off.
    • Loss of cognitive or motor function
    • Can be life-threatening

    Heart valve condition

    A leaky or tight valve reduces the efficiency of the heart's pumping action.

    • Makes heart failure worse
    • Can predispose to atrial fibrillation
    • May need surgical repair
    Cardiac cachexia Unintentional severe weight loss
    • Can require supplemental nutrition
    • Can be life-threatening
    Leg venous stasis and ulcers

    Venous stasis: Your skin thickens and looks shiny or scaly, your hair might also fall out, your skin may also turn brown or reddish.

    Ulcers: Injuries to your swollen legs cause fluid to constantly ooze out of cuts in your skin.

    • Can predispose to cellulitis, infection of the skin

    Related Information


    ByHealthwise Staff
    Primary Medical Reviewer Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
    E. Gregory Thompson, MD - Internal Medicine
    Specialist Medical Reviewer Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology

    Current as ofApril 3, 2017

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