The stimuli that our nerve cells detect, such as hearing a gunshot or tasting a raspberry, are called sensory memories. That sensory information flows along the nerve cells as an electrical impulse. As that impulse reaches the end of a nerve, it activates neurotransmitters, or chemical ...
Complicated migraines:Complicated migraines may cause stroke-like symptoms, such as weakness or numbness of one side of the face or body. If you have complicated migraines, your healthcare provider will want to ensure that you aren’t having a stroke,TIA(transient ischemic attack), or a brain ...
Do migraines show up on an MRI? An MRI can't diagnose migraines, cluster, ortension headaches, but it can help doctors rule out other medical conditions that may cause your symptoms, such as: A brain tumor. An infection in your brain, called an abscess. Is basilar migraine a disability?
Vomiting or diarrhoea for a prolonged period. They’re showing signs of heatstroke. How to find an emergency vet The Royal College of Veterinary Surgeons’ code of conduct says that all veterinary practices must make provision for 24-hour care, but that does not mean your regular vet will be...
This article addresses the potential usefulness of sodium MRI in the acute phase of stroke, asking whether the additional time required to acquire high-quality sodium images is justified in the time-critical minutes following the presentation of a patient with stroke symptoms. It begins with a ...
Doing a physical exam will help your doctor detect any signs and symptoms of kidney infection. If you are male, your doctor may perform a digital rectal examination (DRE). This checks if you have a swollen or enlarged prostate that may be blocking your bladder. Some of the tests your doct...
The first major application of diffusion MRI has been acute stroke, but applications are now extending to oncology, psychiatry, etc. Ischemic brain stroke, caused by the obliteration of a cerebral blood vessel by a clot, is the third common cause of death and the first cause of long-term ...
which does not accord well with the longer duration of ischemia in humans, even among patients who do receive reperfusion therapy, although prehospital start of neuroprotection enables treatment within the first 60 min in many patients [24]. Third, in animal models, stroke induction is often mecha...
Neurologistsare specialists who treat diseases of the brain and spinal cord, peripheral nerves and muscles. Neurological conditions include epilepsy, stroke, multiple sclerosis (MS) and Parkinson's disease. Can MRI detect nerve damage? An MRI may be able help identify structural lesions that may be...
How Does MS Destroy Myelin? In multiple sclerosis, the immune system's T cells attack the myelin sheath. By attacking myelin, the immune system in a person with MS causes inflammation and degeneration of the myelin that can lead to demyelination, or stripping of the myelin covering of the ne...