"Ultrasound scans, whether 2D, 3D or 4D, all work in the same way," says Rachel. "Quite simply, the scanning probe sends out ...

If you’ve ever suffered a bone-related injury like a stress fracture, you know how hard it can be to be sidelined and focused on rehab. And you’re not alone: Research suggests runners have up to a ...

If you’re pregnant, your doctor might have mentioned an NT scan or first-trimester screening. An NT scan is a simple test that shows your baby’s risk for some genetic conditions. What Is an NT Scan ...

A nuclear bone scan is an imaging technique that uses radioactive substances to create three-dimensional (3D) images of the bones. Doctors use bone scans to diagnose and monitor bone diseases, such as ...

If you’re someone who’s at risk for developing osteoporosis, you’re probably well-accustomed to receiving regular bone density tests. Dual-energy X-ray absorptiometry (DEXA or DXA) is a radiologic ...

How Does a VQ Scan Work? The VQ scan is a nuclear scan. It measures airflow, called ventilation, and blood flow, called perfusion, in your lungs. The V and Q make up a math equation that helps doctors ...

Positron emission tomography (PET) is a type of imaging scan that doctors might use when diagnosing and treating non-Hodgkin’s lymphoma (NHL). It can be useful for identifying and staging the cancer.

The underlying cause of nearly all heart attacks is clogging of the arteries with cholesterol (atherosclerosis). It starts early in life and by middle age, can be very advanced. The problem is, even ...

You may worry about your baby if they appear quiet during the scan. Your feelings are valid, but they are not a cause for concern in most cases. A quiet baby in the womb is not a problem because it is ...

Medical professionals can use an MRI to examine the structure and function of your liver. MRIs are highly accurate and don’t use radiation. However, they can be expensive and not everyone is a ...

I’ve always believed in being proactive about my health, but like most people, I usually only see a doctor when something feels wrong or if I’m overdue for an annual exam. That changed when I learned ...