Polystyrene (PS) /ËpÉliËstaÉªriËn/ is a synthetic aromatic polymer made from the monomer styrene. Polystyrene can be solid or foamed. General purpose polystyrene is clear, hard, and rather brittle. It is an inexpensive resin per unit weight.
It is. more prevalent in females than males (1,2). The most common. cause of syncope in young subjects is a reflex syncopal event. that includes stretch syncope (1-3). Stretch syncope is a rare. occurrence that is clinically difficult to distinguish from epilepsy. and may arise while stretching the neck hyperextended in the.
It appears that two specific causes of syncope are most commonly misdiagnosed as epilepsy in children and young adults: vasovagal syncope and long-QT syndrome. Vasovagal syncope (also called the simple fainting spell) occurs due to a reflex often triggered by pain, fright, an upset stomach, or many other things.