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Symptoms
By Mayo Clinic staffHeart disease symptoms vary, depending on what type of heart disease you have.
Symptoms of heart disease in your blood vessels (cardiovascular disease)
Cardiovascular disease is caused by narrowed, blocked or stiffened blood vessels that make it so your heart, brain or other parts of your body don't receive enough blood. Cardiovascular disease symptoms can include:
- Chest pain (angina)
- Shortness of breath
- Pain, numbness, weakness or coldness in your legs or arms, if the blood vessels in those parts of your body are narrowed
You might not be diagnosed with cardiovascular disease until your condition worsens to the point that you have a heart attack, chest pain (angina), stroke, heart failure or sudden cardiac death. It's important to watch for cardiovascular symptoms and discuss any concerns with your doctor. Cardiovascular disease can sometimes be found early with regular visits to your doctor.
Heart disease symptoms caused by abnormal heartbeats (heart arrhythmias)
A heart arrhythmia is an abnormal heartbeat. Your heart may beat too quickly, too slowly, or irregularly if you have an arrhythmia. Heart arrhythmia symptoms can include:
- A fluttering in your chest
- A racing heartbeat (tachycardia)
- A slow heartbeat (bradycardia)
- Chest pain
- Shortness of breath
- Lightheadedness
- Dizziness
- Fainting (syncope) or near fainting
Heart disease symptoms caused by heart defects
Serious congenital heart defects — a defect you're born with — usually become evident during the first few hours, days, weeks and months of life. Heart defect symptoms could include:
- Pale gray or blue skin color (cyanosis)
- Swelling in the legs, abdomen or areas around the eyes
- Shortness of breath during feedings, leading to poor weight gain
Less-serious congenital heart defects are often not diagnosed until later in childhood, or even adulthood. Signs and symptoms of congenital heart defects that usually aren't immediately life-threatening include:
- Easily becoming short of breath during exercise or activity
- Easily tiring during exercise or activity
- Built-up fluid in the heart or lungs
- Swelling in the hands, ankles or feet
Heart disease symptoms caused by thick heart muscle (cardiomyopathy)
Cardiomyopathy is the thickening and stiffening of heart muscle. In early stages of cardiomyopathy, you may have no symptoms. As the condition worsens, cardiomyopathy symptoms include:
- Breathlessness with exertion or even at rest
- Swelling of the legs, ankles and feet
- Bloating (distention) of the abdomen with fluid
- Fatigue
- Irregular heartbeats that feel rapid, pounding or fluttering
- Dizziness, lightheadedness and fainting
Heart disease symptoms caused by heart infections
There are three types of heart infections: pericarditis, which affects the tissue surrounding the heart (pericardium); myocarditis, which affects the muscular middle layer of the walls of the heart (myocardium); and endocarditis, which affects the inner membrane that separates the chambers and valves of your heart (endocardium). Varying slightly with each type of infection, heart infection symptoms can include:
- Fever
- Shortness of breath
- Weakness or fatigue
- Swelling in your legs or abdomen
- Changes in your heart rhythm
- Dry or persistent cough
- Skin rashes or unusual spots
Heart disease symptoms caused by valvular heart disease
The heart has four valves — the aortic, mitral, pulmonary and tricuspid valves — that open and close to direct blood flow through your heart. Valves may be damaged by a variety of conditions leading to narrowing (stenosis), leaking (regurgitation or insufficiency) or improper closing (prolapse). Depending on which valve isn't working properly, valvular heart disease symptoms generally include:
- Fatigue
- Shortness of breath
- Irregular heartbeat or heart murmur
- Swollen feet or ankles
- Chest pain
- Fainting (syncope)
When to see a doctor
Seek emergency medical care if you have these heart disease symptoms:
- Chest pain
- Shortness of breath
- Fainting
Heart disease is easier to treat when it's detected early, so talk to your doctor about any concerns you have about your heart health. If you don't have heart disease, but are concerned about developing heart disease, talk to your doctor about steps you can take to reduce your heart disease risk. This is especially true if you have a family history of heart disease.
If you think you may have heart disease based on new signs or symptoms you've been having, make an appointment to see your doctor.
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