摘要
在磁屏蔽屋(Magnetically Shielded Room，MSR)的環境下，我們使用64 channel的平面式一階SQUID梯度計系統，量測兔子的心磁圖(magnetocardiography，MCG)以探討其心臟之生理學參數。所量測的兔子分為二組，一組為高血脂兔子，一組為健康的正常兔子。其中，高血脂的兔子是在D0週(基準週，baseline 12週)之後開始餵食高血脂飼料，而正常的兔子都餵食一般的正常飼料。進行心磁的時候並同時進行抽血檢驗，紀錄兔子當時的總膽固醇(T-CHO)、體重等參數。
對心磁訊號分析其數據後，我們發現到高血脂兔子在餵食高血脂飼料後，其R波及S波的α角範圍皆由原本的第三、第四象限而偏移到第一象限，而正常的兔子的α角則保持原來的方向範圍(第三、四象限)沒有改變。在平整度方面(Smoothness Index, SI)，QT時間間隔平整度(QT time-interval smoothness index ,SI)及QRS時間間隔平整度(QRS time-interval smoothness index ,SI)，SI值在餵食高血脂飼料之後漸漸都有往上升的現象。而正常兔子的SI值變化，則是隨著時間而慢慢往下降的趨勢。
然後我們也對兔子做降血脂的心磁觀察，還有對兔子注射磁流體後的心磁圖量測，這會在後面章節裡做討論。

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