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.
What is syncope? Syncope is a temporary loss of consciousness usually related to insufficient blood flow to the brain. Itâs also called fainting or passing out. It most often occurs when blood pressure is too low (hypotension) and the heart doesn't pump enough oxygen to the brain. It can be benign or a symptom of an underlying medical condition. What causes syncope?