Medical Tests & Procedures Archive

About 96 million Americans have prediabetes, defined by elevated blood sugar levels that are not high enough to qualify as diabetes. Risk factors include overweight or obesity, family history, and inactivity. People with prediabetes may have more infections and frequent urination or blurry vision after big meals. Lifestyle changes such as maintaining a healthy weight, exercising, eating healthy foods, drinking alcohol moderately, and not smoking may prevent prediabetes from progressing to diabetes.

A coronary artery calcium scan (often called a calcium scan) uses a special type of CT scan to look for calcium deposits in the lining of the heart's arteries. The results can help people decide whether to start taking a statin.

Many people have used at-home medical tests to detect COVID-19. Other home tests are available that can screen for, diagnose, and monitor dozens of health conditions, including pregnancy, infections, cholesterol and blood sugar levels, and colorectal cancer. The tests are accessible and convenient, and results may spur people to seek necessary treatment. But test results may be inaccurate or confusing, provoking unneeded or risky further testing or treatment. People should tell their doctors if they use at-home medical tests.

The body's second largest organ, the liver is responsible for more than 500 bodily functions. One of the liver's greatest threats is nonalcoholic fatty liver disease (NAFLD), an umbrella term that includes several forms of liver disease. Most people with NAFLD have a type known as simple fatty liver. However, up to 20% of people with NAFLD develop inflammation in the liver known as nonalcoholic steatohepatitis (NASH). Left unchecked, this more dangerous form can progress into fibrosis (scarring) and potentially cirrhosis (severe scarring and liver damage). Lifestyle changes, such as weight loss, increasing exercise, and adopting a plant-based diet are the best means to manage and prevent NAFLD.

Some people have anxiety about getting medical tests such as blood work, CT scans, or MRIs. When debating whether to skip a medical test due to fear, a person should get as much information as possible about the test or ask for medication to reduce pain or anxiety associated with the test. During a medical test, it may help to do relaxation exercises or focus on something fun planned for later in the day.

Pain in the shoulder, elbow, or wrist without obvious injury is common. Possible causes include arthritis, bursitis, frozen shoulder, rotator cuff tear, tendinitis, or nerve compression in the carpal tunnel or the cubital tunnel. Home remedies include rest, ice, compression, or elevation; over-the-counter anti-inflammatory pain relievers; and devices such as a splint or brace. Other treatments include physical therapy or steroid injections. Surgery is usually a last resort.

Women should consider genetic testing for breast cancer if they have a personal or family history of breast or ovarian cancer, especially diagnosed at age 50 or younger; family history of BRCA1 or BRCA2 gene mutations; or Ashkenazi Jewish heritage.

Approximately one in three people ages 65 to 74 has hearing loss, and nearly half of those older than 75 have difficulty hearing. Getting a hearing test is recommended to identify any hearing loss before it worsens and prescribe a hearing aid if needed. While hearing aids are traditionally expensive, new over-the-counter devices can make them more affordable for people with mild or moderate hearing loss.

A 2022 study led to questions regarding whether colonoscopy is the best strategy to reduce the risk of death from colon cancer. But overwhelming evidence supports the procedure for lowering the risk of colon cancer and related death, and experts continue to recommend people at average risk get at least one colonoscopy beginning at age 45.

About 20% of people have high blood levels of lipoprotein(a)—Lp(a) for short—a fatty particle that's like the evil twin of the more familiar LDL ("bad") cholesterol. Elevated Lp(a) which can double or triple risk of a heart attack and raise stroke risk, and is linked to problems with the heart's aortic valve. With new treatments that can lower Lp(a) on the horizon, cardiologists are now testing more people for this biomarker, which is not included in standard cholesterol tests.