The main advantage of MRI is that it does not emit ionizing radiation, so it is not a dangerous test. This is the main difference with other widely used radiological tests, such as CT (computerized axial tomography). In short, this complementary test, used more and more frequently, makes i...
An MRI of the brain and spinal cord can help find many things, like: Blood vessel damage, including an aneurysm (a bulging or weakened blood vessel in the brain) Brain injury Cancer Multiple sclerosis (MS) Spinal cord injuries Stroke Eye problems Inner ear problems Heart MRI An MRI of the...
The MRI is basically a tube-shaped magnet. While you're inside the machine, protons from water in your body get pulled into the magnetic field around you and start to line up. The machine also sends out radio waves that cause these protons to spin. When the waves are turned off, the ...
答案(1)A.目的意图题。根据第一自然段第二句But what if instead of one shark appearing,two were working together(但如果不是一条鲨鱼出现,而是两条鲨鱼在-起工作呢? )以及第二自然段Scientists say research off Mexico's Guadalupe Island in the Pacific Ocean shows great white ...
What does a heart failure cough sound like? You may experience a persistent cough orwheezing(a whistling sound in the lungs or laboured breathing) due to your heart failure. What happens if left ventricle not working properly? When the left ventricle fails,increased fluid pressure is, in effec...
What Does an MRI Scanner Look Like & How Does it Work? The MRI scanner looks like a tube which is surrounded by a giant circular magnet. A moveable bed is present on which the patient is made to lie down and this table then passes into the magnet. A strong magnetic field is produced...
"Does it resolve on its own or does the patient have to do something, like lie down to make it better?" "Does turning the head bring on the symptoms? Do the symptoms resolve when the patient is very still?" "Is there associated hearing loss or ringing in the ears?" A review of sy...
for example. There's the need for extremely reliable sensors that can detect mixtures of volatile organic compounds with sufficient reproducibility. And another technical challenge is this: How do you sample a person's breath in a very ...
What test is used to detect appendicitis? Which screening is used to test for autism? What is the normal bicarbonate level in the blood? What is the corpus luteum? What does an MRI do? What is a salivary cortisol test? The study of blood is called ...
identify patterns and detect abnormalities that may not be visible to the human eye or that an overworked diagnostician might miss. Machine learning systems can also analyze symptoms, genetic information, and other patient data to suggest tests for conditions such as cancer, diabetes, and heart ...