Anaphylactoid reaction is the serious medical emergency with rapid development of symptoms within 5-30 minutes ranging from urticaria, dizziness, bronchospasm up to hypovolemic shock. It is caused by allergens which directly lead degranulation of mast cells and basophils without Immunoglobulin-E ...
The radiologist will remove your IV before you go home if you received a dye injection. If you begin experiencing symptoms like hives, a rash or shortness of breath while you’re still at the imaging center, let the radiologist know immediately. Or, if you’ve left the imaging center, go...
But it is possible to have a reaction that looks like allergies to contrast agents, which can range from mild to severe and may include symptoms such as an itchy skin rash. Dr. Makary says. In "extremely rare" cases, Dr. Makary says patients may develop a condition called nephrogenic syst...
Laser speckle contrast imaging (LSCI) is a powerful tool to monitor blood flow distribution and has been widely used in studies of microcirculation, both for animal and clinical applications. Conventionally, LSCI usually works on reflective-detected mode
Upon reaction with H2O2, the complex couples to itself to form a dimer, with a resulting decrease in the relaxivity. However, this strategy has the disadvantage that the production of ROS would be detected by a decrease in the contrast (negative contrast) [91]. A second generation was thus...
The non-invasive imaging of ventilation flow in the lung (mL/s) can reveal the symptoms of various lung diseases in humans, including chronic obstructive pulmonary diseases. Continuous CT image acquisition by Xe-contrast enables ventilation measurements in rat lung in vivo with low voxel noise. ...