The basis of<unk>  investigation and diagnosis depends upon, a detailed history of any event before and after a<unk>  episode, investigation of co-existing conditions, a focused physical examination, laboratory evaluation, and brain imaging.
Seizure diagnostic study of choice
Tremor diagnostic study of choice
Transient ischemic attack other diagnostic studies
Transient ischemic attack differential diagnosis
Epilepsy other diagnostic studies
Epilepsy echocardiography or ultrasound
Lightheadedness and vertigo differential diagnosis
Pulseless electrical activity differential diagnosis