stroke from other conditions if they're having some of the subtle symptoms and sometimes you know even the neurologists are puzzled in the emergency room so oftentimes we're going to have to do some imaging to sort it out but you can see what the main symptoms are the main symptoms are going to be trouble with the language weakness on one side numbness on one side headache if it's a bleeding kind of stroke so if you have those symptoms coming on abruptly that should be a key to call 9-1-1 okay so what's going to cause a blood clot to