<h2 id="hl0000051">Highlights</h2> <p id="hl0000053"></p> <ul id="hl0000054" class="c-content-list"> <li id="hl0000055">The most fearful and potentially deadly complication is phreno-cardiac artery perforation</li> <li id="hl0000058">It can be prevented by performing deep inspiration maneuvers</li> <li id="hl0000061">It can be treated with coil embolization</li> <li id="hl0000064">Using 2.0 mm balloon inflation at the tip of a guide catheter using coronary wire, spasm can easily be overcome</li> </ul>