Search results
Results from the WOW.Com Content Network
Physical movement of the patient (i.e. the inability of the person to stay still when the scan is being taken). This kind of motion causes a blur in the phase-encoded direction of the image. Periodic motion such as arterial pulsations, swallowing, breathing and peristalsis results in discrete and well-defined ghosts.
[7]: p15, 18, 72–73 At the end of a long journey on foot, the arches flatten, the metatarsals spread, and the foot swells more than after a short one. [7]: 52 The toes also need vertical space; a toe cap which is low enough to press on the top of the toe may also cause bruising under the nail, especially if the toe cap is stiff. If the toebox ...
The signs and symptoms of Graves' disease generally result from the direct and indirect effects of hyperthyroidism, although they can also be caused by other thyroidal conditions, such as Graves' ophthalmopathy, goitre and pretibial myxedema. These clinical manifestations can involve virtually every system in the body.
[3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process. [5] In medicine, a sign is an objective piece of data that can be measured or observed, as in a high body temperature (fever), a rash, or a bruise. [6]
Epidural hematoma as seen on a CT scan with overlying skull fracture. Note the biconvex shaped collection of blood. There is also bruising with bleeding on the opposite side of the brain. Specialty: Neurosurgery, Neurology: Symptoms: Headache, confusion, paralysis [1] Usual onset: Rapid [2] Causes: Head injury, bleeding disorder, blood vessel ...
A bruise, also known as a contusion, is a type of hematoma of tissue, [3] the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration.
The doctor can look for potential underlying causes, including dementia, medication effects, or environmental factors, Elhelou says. From there, they can suggest effective ways to help you manage ...
A full-body scan is a scan of the patient's entire body as part of the diagnosis or treatment of illnesses. If computed tomography ( CAT ) scan technology is used, it is known as a full-body CT scan , though many medical imaging technologies can perform full-body scans.