Tests in the Emergency Room

If nothing abnormal is detected in this process, or if the patient does not have any heart disease or symptoms that may indicate seriousness, there is usually nothing else to do. 

Other tests that can also be performed in order to determine the cause of the loss of consciousness are:

The results of these tests will determine whether the patient can go home or has to be referred to a specialist, such as a cardiologist or neurologist, to finalise the diagnostic process and, if required, start immediate treatment. For example, if the cause of the loss of consciousness was due to the heart beating very slowly, it may be decided, if so indicated, to insert a pacemaker.