A small boy walks into a stark white hospital suite. Lab techs, nurses and cardiologists immediately try to ease the stress ...

Angioplasty is commonly performed to open a narrowed or blocked heart artery and restore blood flow. Before and during the procedure, doctors usually rely on coronary angiography to locate blockages.

Angiography shows artery outline but may miss internal artery details and plaque composition IVUS uses ultrasound to assess vessel size, plaque burden, calcium, and stent expansion inside arteries OCT ...