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1. www.webmd.com › heart-disease › electrocardiogramElectrocardiogram (EKG or ECG) Tests: Purpose & Types - WebMD

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   2024年2月11日 · What Is an Electrocardiogram? An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart...

2. www.webmd.com › lung › types-of-lung-function-testsPulmonary Function Tests (PFTs) for Your Lungs - WebMD

   www.webmd.com › lung › types-of-lung-function-tests

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   2022年8月14日 · Why Are Pulmonary Function Tests Done? Testing your lungs can help doctors diagnose lung diseases such as: Asthma. Allergies. Chronic bronchitis. Chronic obstructive pulmonary disease ( COPD)...

3. www.webmd.com › vitamins › aiTHEANINE: Overview, Uses, Side Effects, Precautions, ...

   www.webmd.com › vitamins › ai

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   2023年3月23日 · Overview. Theanine is an amino acid found in tea and some mushrooms. It comes in two forms: L-theanine and D-theanine. L-theanine is the most common form. Theanine is similar to...

4. www.webmd.com › a-to-z-guides › understanding-kidney-diseaseKidney Disease: Causes, Symptoms, Treatment, and Prevention ...

   www.webmd.com › a-to-z-guides › understanding-kidney-disease

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   2023年10月24日 · CKD is a condition where your kidneys can't filter toxins or extra fluid from your blood as well as they should. While the condition can vary in how serious it is, CKD usually gets worse over time....

5. www.webmd.com › erectile-dysfunctionErectile Dysfunction Resource Center - WebMD

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   2020年8月18日 · What Is Erectile Dysfunction (ED)? Erectile dysfunction is the inability to get and maintain an erection. Occasional trouble with ED is likely nothing to worry about. Why Can’t I Get an...

6. www.webmd.com › oral-health › dental-implantsDental Implants: Surgery, Advantages, Risks, & Insurance ...

   www.webmd.com › oral-health › dental-implants

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   2024年2月1日 · What Are Dental Implants? Dental implants are titanium or ceramic posts inserted into your jawbone to hold artificial teeth. They act like the roots of your natural teeth to provide a strong...

7. www.webmd.com › vitamins › aiBIOTIN: Overview, Uses, Side Effects, Precautions, ...

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   2023年3月23日 · Overview. Biotin (vitamin B7) is a vitamin found in foods like eggs, milk, and bananas. Biotin deficiency can cause thinning of the hair and a rash on the face. Biotin is an important part of...