High-quality axis-encircling electron beam is essential to drive a high-harmonic gyrotron. A magnetic cusp gun that can generate a low-spread axis-encircling electron beam at an extremely high ...

Cusp overlap view improved valve positioning and significantly reduced pacemaker need, and hospital stay in TAVR with SEVs.

Bicuspid aortic valve (BAV) is a common cardiac anomaly that affects 0.5%–2% of adults. 1 BAV is a part of a syndrome with various phenotypes that includes true bicuspid or three cusps with fusion of ...

Transcatheter aortic valve implantation (TAVI) is now an established treatment option for elderly patients with severe ...