Stroke

What is Cryptogenic Stroke

What is Cryptogenic Stroke

A cryptogenic stroke (CS) is technically defined as cerebral ischemia (stroke) of obscure or unknown origin. This is basically a fancy way of saying that a patient has had a stroke, yet doctors have not determined a cause. The cause of CS remains unknown because the event is transitory or reversible, medical tests have not been exhaustive, or because some causes truly remain unknown. One-third of the ischemic strokes is cryptogenic.