Causes of chronic heart failure

Common underlying problems include coronary artery disease, previous heart muscle injury, long-standing hypertension, heart-valve disease, and abnormal heart rhythms such as atrial fibrillation. These conditions can make the heart muscle stiff, stretched, scarred, or less coordinated. The body may retain fluid when circulation is less effective.

That fluid shift can contribute to swollen ankles, breathlessness, cough, and fatigue. Palpitations may occur when an abnormal rhythm is present, but symptoms alone cannot identify the cause. Heart failure is a clinical condition with several possible pathways, rather than a single disease with one trigger.

Arrange a medical review for new or worsening breathlessness, reduced exercise tolerance, ankle swelling, persistent cough, or unexplained fatigue. Bring a list of medicines and note when symptoms occur, whether they change when lying down, and any recent weight or fluid changes.

A chronic disease review can help check blood pressure, rhythm, kidney function, medicines, and the need for further heart tests. Take prescribed treatment as directed and do not stop heart medicines suddenly without medical advice.

Call emergency services for severe breathlessness at rest, chest pressure, fainting, new confusion, blue or grey lips, or rapidly worsening swelling with difficulty breathing. Sudden symptoms can reflect a serious change in heart or lung function and should not wait for a routine appointment.

Ask which condition may have strained your heart, whether your rhythm and blood pressure are controlled, which tests are needed, how to monitor fluid symptoms, and which warning signs require immediate help.