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.
How do the heart Atria function: Atria gather blood returning to the heart. The right Atrium gather deoxygenated blood returning from the entire body and the left atrium gathers oxygenated blood from the lungs. What are important functions of the skeletal system: Provides shape and form to our bodies.