Medical Tests & Procedures Archive

A substance that binds to blood clots may one day offer a novel, less invasive strategy for finding dangerous clots in the heart and elsewhere in the body.

Increasingly, tests that measure C-reactive protein are marketed to health-conscious consumers as a way of determining if they have chronic inflammation. However, the test is just one piece of evidence and should be interpreted by one's doctor. Without that expertise, a customer might not understand what the CRP test result means, and as a result might suffer unnecessary anxiety or pursue unnecessary tests. It's best to talk to one's doctor before seeking tests that measure CRP levels.

Up to 7% of people ages 50 and older (mostly male smokers) have abdominal aortic aneurysms (AAAs). In rare cases, these balloon-like pouches can expand and rupture with little warning, which can be life-threatening. Medicare covers screening tests for AAA for men ages 65 to 75 who have smoked at least 100 cigarettes in their lives and for anyone with a family history of AAA.

Men are less likely than women to get regular exams and tests, especially when they are younger. But as they age, routine screenings are essential. There are certain tests most men should have at some point, including ones for colon cancer, high blood pressure, hepatitis C, diabetes, and HIV. Other tests men should consider if they are at high risk for specific ailments, such as abdominal aortic aneurysm, hepatitis B, and lung cancer.

In aortic stenosis, the heart's aortic valve narrows and can't open fully. In aortic regurgitation, the valve doesn't close properly. The cause may be present at birth (congenital) or acquired later in life, and the problems can occur alone or together.

Many men have questions regarding the testing and screening processes for prostate cancer, such as whether prostate-specific antigen tests are still the standard, when it is time for a biopsy, and what new technologies are available to help with a more accurate diagnosis. Harvard Medical School prostate cancer expert Dr. Marc Garnick provides the answers.

According to a new recommendation from the US Preventive Services Task force, diabetes screening should begin age 35 for people who are overweight, defined as a body mass index (BMI) of 25 or greater.