Jul 8, 2025 · A simple blood test done in a doctor's office can help to diagnose Alzheimer's disease. Find out who can have the test, and how accurate results are.

Jul 18, 2024 · Overview COVID-19 diagnostic testing shows current infection with the virus that causes coronavirus disease 2019 (COVID-19). The U.S. Food and Drug Administration (FDA) …

Nov 7, 2024 · Infórmate sobre cómo realizar la prueba para saber si estás infectado por el virus que causa la COVID-19.

Comprehensive guides on tests and procedures from Mayo Clinic experts.

Apr 30, 2025 · Brain MRI is one of the tests you may have to determine the cause of headaches, dizziness, seizures, vision problems or hearing loss. This painless imaging test is used to …

Jun 19, 2024 · Diagnostic hearing evaluations Overview Diagnostic hearing evaluation A woman participates in a diagnostic evaluation of hearing. When you visit the Mayo Clinic Division of …

Diagnosis You may be able to use a test that's available without a prescription, sometimes called an at-home test, to see if you have syphilis. If that test shows you have syphilis, you'll need to …

Dec 16, 2025 · Breath test You might hear this called a urea breath test. During the test, you swallow a pill, liquid or pudding that contains tagged carbon molecules in a substance called …

Mar 27, 2024 · Clinical trials Explore Mayo Clinic studies testing new treatments, interventions and tests as a means to prevent, detect, treat or manage this condition. Lifestyle and home …

May 29, 2024 · An electroencephalogram (EEG) is a test that measures electrical activity in the brain. This test also is called an EEG. The test uses small, metal discs called electrodes that …