Progress and promises of human cardiac magnetic resonance at ultrahigh fields: A physics perspective

► Progress in multi-channel RF technology for ultrahigh field cardiac MR is outlined. ► Basic principles of mapping and shimming of transmission fields are introduced. ► RF power deposition and safety considerations are presented for cardiac MR at 7.0 T. ► Early and emerging applications of cardiac MR at 7 T are demonstrated. ► Future directions of cardiac MR at ultrahigh fields are discussed.