Overview
To diagnose what might be causing your swollen lymph nodes, your doctor may need:
- Your medical history. Your doctor will want to know when and how your swollen lymph nodes developed and if you have any other signs or symptoms.
- A physical exam. Your doctor will also want to check lymph nodes near the surface of your skin for size, tenderness, warmth and texture. The site of your swollen lymph nodes and your other signs and symptoms will offer clues to the underlying cause.
- Blood tests. Certain blood tests may help confirm or exclude any suspected underlying conditions. The specific tests will depend on the suspected cause, but most likely will include a complete blood count (CBC). This test helps evaluate your overall health and detect a range of disorders, including infections and leukemia.
- Imaging studies. A chest X-ray or computerized tomography (CT) scan of the affected area may help determine potential sources of infection or find tumors.
- Lymph node biopsy. Your doctor may have you undergo a biopsy to secure the diagnosis. He or she will remove a sample from a lymph node or even an entire lymph node for microscopic examination.
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Symptoms
When to see a doctor
Complications
Blood clots are a dangerous complication of atrial fibrillation (AFib). Blood clots can lead to stroke.
The risk of stroke from AFib increases as you grow older. Other health conditions also may increase the risk of a stroke due to AFib. These conditions include:
- High blood pressure.
- Diabetes.
- Heart failure.
- Some types of heart valve disease.
Blood thinners are commonly prescribed to prevent blood clots and strokes in people with atrial fibrillation.
Prevention
Healthy lifestyle choices can reduce the risk of heart disease and may prevent atrial fibrillation (AFib). Here are some basic heart-healthy tips:
- Control high blood pressure, high cholesterol and diabetes.
- Don't smoke or use tobacco.
- Eat a diet that's low in salt and saturated fat.
- Exercise at least 30 minutes a day on most days of the week unless your health care team says not to.
- Get good sleep. Adults should aim for 7 to 9 hours daily.
- Maintain a healthy weight.
- Reduce and manage stress.
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