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Transient Ischemic Attack (Mini Stroke) (Definition)
Transient ischemic attack (TIA), is a condition where a blood vessel in the brain is temporarily blocked by a blood clot, causing neurologic symptoms, such as weakness in an arm or leg, or sensory changes. The symptoms are similar to a stroke, but are temporary, disappearing within minutes after the clot breaks apart. ...Read more
Possible: TIA can present as suddenly decreased vision ("curtain falling" or blurred vision). It can be in one eye or in both eyes (in which case it is usually only on one side of vision). Many other diseases can cause blurry vision - migraines, problems with the eye itself. ...Read moreSee 1 more doctor answer
I had a brain MRI yday to look for ischaemia due to symptoms . TIA is suspected. If this doesnt cause permanant changes how do they know i had a TIA?
Usually not: The differential diagnosis for "spots" in your vision is varied with the most common cause being floaters secondary to a vitreous detachment. Other causes include orthostatic hypotension changes, ocular migraines, vitreous hemorrhage, and retinal detachment. It is important to get other associated symptoms such as flashes of light. A stroke/tia usually results in total vision loss or greying. ...Read more
Is a PFO just a diagnosis of exclusion for stroke/tia seeing as 25% of population have it anyway or is it a real risk and needs to be closed ?
See below: Thorough neurologic examination is the first step in diagnosing a stroke or tia. A neurologist may develop concern based on typical neurologic defecits. If indicated, MRI is the best test for identifying or ruling out a stroke. If the symptoms are similar to a stroke but there is no stroke on MRI and/or the symptoms resolve, it is more likely to have been a transient ischemic attack (tia). ...Read moreSee 1 more doctor answer
I had sudden hearing loss in r ear, dizzy, sick, num in arm and leg hosp said TIA test to follow. Can this happen again when waiting for tests?
Depends on cause: Sudden hearing loss, vertigo and nausea are a triad that occur with injury to the auditory nerve/inner ear. It is unlikely to be a TIA which implies blood clot in the brain. Severe sx are generally from injury directy to the nerve - viral infection is often the cause. The arm & leg should not be involved. If they are, TIA is more likely and could recur if not treated. (antiplatelet drugs or surg). ...Read more
Several tests: There is no test that makes the diagnosis of a TIA, but if someone comes to the hospital with a TIA, they should have these tests: head CT without contrast echocardiogram EKG blood tests (CBC and electrolytes, blood sugar, cholesterol) carotid artery ultrasound Sometimes other tests are important too. This is just a guide. ...Read moreSee 2 more doctor answers