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A breast biopsy removes a sample of breast tissue that is looked at under a microscope to check for breast cancer or other problems. A breast biopsy is usually done to check a breast lump or to look at a suspicious area found on a mammogram, an ultrasound, or an...
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What is bradycardia? Having bradycardia (say "bray-dee-KAR-dee-uh") means that your heart beats slower than normal. For most adults, a heart rate of about 60 to 100 beats a minute while at rest is considered normal. For some people, bradycardia is healthy and normal. It does not cause any symptoms or...
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Discusses peripheral arterial disease, a narrowing or blockage of arteries that results in poor blood flow to your arms and legs. Discusses causes and symptoms. Covers treatment with a healthy lifestyle, medicines, a procedure, or surgery. Also offers prevention tips.
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An MRI scan is the best way to locate multiple sclerosis (MS) lesions (also called plaques) in the brain or spinal cord. An MRI scan is abnormal in more than 95% of people recently diagnosed with MS. But abnormal MRI results do not always mean that you have MS. Abnormalities...
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What is bradycardia? Having bradycardia (say "bray-dee-KAR-dee-uh") means that your heart beats slower than normal. For most adults, a heart rate of about 60 to 100 beats a minute while at rest is considered normal. For some people, bradycardia is healthy and normal. It does not cause any symptoms or...
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A tilt table test is used to check people who have fainted or who often feel lightheaded. The results help your doctor know the cause of your fainting or feeling lightheaded. The test uses a special table that slowly tilts you to an upright position. It checks how your body...
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Cardiac devices include pacemakers and ICDs (implantable cardioverter-defibrillators). Cardiac devices have very advanced features. Your doctor can program your device to work in different ways depending on your needs. Doctors check, or monitor, cardiac devices on a regular basis to make sure that they are working right...
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Light therapy is the main treatment for seasonal affective disorder (SAD). It's used for other conditions too. It is exposure to light that is brighter than indoor light but not as bright as direct sunlight. The most common light therapy uses a special type of fluorescent light, called a light...
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Discusses how to deal with low blood sugar (hypoglycemia) when you have gestational diabetes (diabetes that developed during pregnancy). Covers symptoms and complications of hypoglycemia. Offers tips on preventing and managing low blood sugar.