Complex sentence: Without that addition, the definition of syncope would include disorders such as epileptic seizures, concussion or cerebrovascular accident and syncope is distinguished from coma, which can include persistent states of unconsciousness.
Split into simpler sentences: Without that addition, the definition of syncope would include disorders such as epileptic seizures, concussion or cerebrovascular accident. Syncope is distinguished from coma, which can include persistent states of unconsciousness.