What causes some one to get all dizzy, and everything goes black, they feel as if they are going to vomit, they get all hot and lay on the ground and then after it all happens they break out in a cold sweat? is this blacking out or fainting?Read more: What causes some one to get all dizzy, and everything goes black, they feel as if they are going to vomit, they get all hot and lay on the ground and then after it all happens they break out in a cold sweat? is this blacking out or fainting? | Answerbag  WWW.WWWW.WW
Hi, Thanks for your question. After going through your question, there is likely possibility of syncope. Sudden black out and fainting is a part of syncope. There are different causes for it - 1) Postural hypotension : fall in blood pressure on standing may cause similar symptoms. It may be due to medicine for blood pressure or due to autonomic neuropathy. 2) Cardiac arrhythmia : Abnormal electrical activity of heart. It may be due to heart disease electrolyte abnormalities, Degenerative changes in conduction system of heart. 3) TIA (Transient Ischemic Attack) : Transient decreases in blood supply to brain due to occlusion in blood vessels may cause similar complaints. 4) Hypoglycemia : (low blood sugar) this is possible in patient with diabetes on treatment. In such cases, There may be need for - 1) Detailed clinical Examination. 2) ECG, electrophysiologist study of heart, Holders monitoring, 2DEcho of heart. 3) Blood tests : Complete blood count, kidney and liver function tests, serum calcium, magnesium. 4) Brain imaging with angiography. Hope this helps you, if so do vote.