The normal aortic systolic/diastolic pressure is ... The murmur of a patent ductus arteriosus is continuous throughout systole and diastole. Often the S2 heart sound is difficult to detect.

Per Merit Medical, PDA is a congenital heart condition that occurs when the ductus arteriosus (a blood vessel ... trial of transfemoral transcatheter aortic valve replacement.

Most frequently caused by hemodynamically significant aortic regurgitation ... obstructive cardiomyopathy (HOCM), patent ductus arteriosus, arteriovenous fistulas and normal hearts in a ...