Estimates of the coexistence of epilepsy and psychogenic nonepileptic seizures vary from 5 percent to more than 60 percent, depending on the study setting and diagnostic criteria.3 Recent studies17, 22 using strict criteria for a diagnosis of epilepsy found that only 5 to 10 percent of patients with non-epileptic seizures have concurrent epileptic seizures.
the contraction, or period of contraction, of the heart, especially of the ventricles, during which blood is forced into the aorta and pulmonary artery. atrial systole. contraction of the atria by which blood is forced into the ventricles; it precedes the true or ventricular systole. extra systole. see extrasystole.
Â§ events just before and during diastole: Â§ during systole â A-V valves are closed Ã  atria filled with blood Â§ beginning of diastole â ventricular pressure decreases below that of the atria Ã  A-V valves open Â§ higher pressure in the atria pushes blood into the ventricles during diastole Â§ period of rapid filling of the ventricles occurs during the ...