Thickened valves fail to form a complete seal, which allows blood to leak back into the atrium during systole. (epictrial.com)
The study extends previous research from co-authors Professor Critchley and Dr Garfinkel from BSMS, which identified how on each heartbeat (known as cardiac systole), the heart fires powerful signals to the brain. (sciencedaily.com)
The following measurements were made at end - diastole and end - systole from M - mode images: LV wall thickness, LV internal diameter, and interventricular septal thickness. (scielo.br)