Tag: Diagnostic imaging

Before an abdominal ultrasound, it is a common practice to eat a fat-free meal to get the best imaging results. A high-fat meal can affect the clarity of the image, making preparation a critical part of the process.

According to case studies and molecular research, vitamin A deficiency substantially reduces fundus autofluorescence (FAF) intensity, a key finding in retinal diagnostics. This phenomenon directly addresses the question of can vitamin A deficiency cause fundus autofluorescence, confirming a strong inverse relationship between the two.

While a standard stress test monitors your heart's electrical activity during exercise, a more advanced nuclear stress test, also known as myocardial perfusion imaging, or MPI, provides visual evidence of blood flow to the heart muscle. In fact, an MPI test includes the stress component, making the standard stress test a component of the broader MPI procedure.