7.下列何者不是聚焦心臟超音波檢查(focused cardiac ultrasound, FoCUS)最主要的視圖 (view)？ (A)心尖長軸視圖(apical long-axis view, ALAX) (B)胸骨旁短軸視圖(parasternal short-axis view, PSAX) (C)心尖四腔視圖(apical four-chamber view, A4C) (D)劍突下四腔視圖(subcostal four-chamber view, SC4)