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Sleep Studies

… Sleep Studies On this page: Test Overview Why It Is Done How … studies can also find out if you have a problem with your stages of sleep. The two main types of sleep are non–rapid … These studies can help find sleep problems, such as: Sleep apnea. Excessive snoring. Problems staying awake, such as …

Hemochromatosis Gene HFE Test

… pancreas, joints, skin, and other organs. In its early stages, hemochromatosis can cause joint and belly pain, … . But many people do not have symptoms in the early stages. In men, hereditary hemochromatosis is usually found … pancreas, joints, skin, and other organs. In its early stages, hemochromatosis can cause joint and belly pain, …

Syphilis Tests

… Questions to Ask the Doctor Spinal Tap (Lumbar Puncture) Stages of Syphilis Adaptation Date: 6/14/2023 … Questions to Ask the Doctor Spinal Tap (Lumbar Puncture) Stages of Syphilis Adaptation Date: 6/14/2023 …

Coronary Calcium Scan

Testicular Examination and Testicular Self-Examination

… as a painless lump or swollen testicle. In the early stages of the cancer, the lump may be about the size of a … as a painless lump or swollen testicle. In the early stages of the cancer, the lump may be about the size of a …

Hepatitis C Virus Tests

Luteinizing Hormone LH Test

First-Trimester Screening for Birth Defects

… This is called an integrated screening. It's done in two stages at two different times during the pregnancy. How It … This is called an integrated screening. It's done in two stages at two different times during the pregnancy. How It …

Electroencephalogram EEG

… Find out if a person who is in a coma is brain-dead. Study sleep disorders, such as narcolepsy . Watch brain activity … on after you wash your hair. Your doctor may ask you not to sleep the night before the test or to sleep for only about 4 or 5 hours. This is because some …

Tests for Erection Problems

… test checks to see if you're having normal erections during sleep. It's common to have 3 to 5 full erections during deep sleep. If you don't have erections because of psychological … problems, you can still have erections during deep sleep. Sometimes, sleep problems or serious depression can …