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This forum is for questions and support regarding neurology issues such as: Alzheimer's Disease, ALS, Autism, Brain Cancer, Cerebral Palsy, Chronic Pain, Epilepsy, Headaches, MS, Neuralgia, Neuropathy, Parkinson's Disease, RSD, Sleep Disorders, Stroke, Traumatic Brain Injury.

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blackout

i had a blackout while driving my lorry yesterday i hit the central reservation i think but dont really know
all i remember is waking up to a huge bang and feeling very dizzy!!
luckily no one was hurt or involved but i cant stop thinking about what could have been my head on the left side is numb and i just cant seem to think straight i have been to the doctor who has reffered me to the hospital but it is a three week wait i am so worried that somethings wrong i wondered if you could help!!
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Avatar_m_tn
Hi,
Syncope is caused by a sudden decrease in blood pressure, which temporarily deprives the brain of a sufficient amount of oxygen. Dizziness often occurs before syncope and many patients complain of dizziness without syncope. Syncope has a variety of causes. Occasionally, syncope is caused by a neurologic problem such as a seizure or migraine headache. Other non-cardiac causes of syncope include breath-holding spells, rapid breathing (hyperventilation), hysteria, and exposure to certain drugs or toxins. Cardiac causes can be secondary to obstruction to blood flow (aortic valvar stenosis, hypertrophic cardiomyopathy, primary pulmonary hypertension, Eisenmenger's syndrome) ,Heart rhythm abnormalities (ventricular tachycardia, Wolff-Parkinson-White syndrome, long QT syndrome, sinus node dysfunction, atrioventricular block, arrhythmogenic right ventricular dysplasia) ,Diminished heart function (ventricular dysfunction from a variety of causes including dilated cardiomyopathy; inflammatory diseases such as acute myocarditis and Kawasaki disease; and ischemic heart disease secondary to an anomalous coronary artery, Kawasaki's disease, or hypercholesterolemia) . Both cardiac and neurologic causes of syncope can usually be excluded with a good history and physical examination. An electrocardiogram (ECG) will often be done to screen for heart rhythm abnormalities. Occasionally, other tests will be performed including a Holter monitor, ambulatory event monitor, echocardiogram, graded exercise test (GXT), and / or electroencephalogram (EEG). In addition, some patients will undergo a tilt table study. During this test, the patient is strapped to a table and tilted to a near standing position in an effort to provoke the common, non-life threatening form of syncope. Please consult a cardiologist for the diagnosis and treatment . Hope this helps you . Take care and regards !



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