Life Threatening Severe QTc Prolongation in Patient with Systemic Lupus Erythematosus due to Hydroxychloroquine

<div>One week into admission after discontinuation of hydroxychloroquine and treatment with mexiletine 150 mg BID. QTc 518 ms. Shortening of QTc to near patient’s baseline of 500 ms.</div>

Case Reports in Cardiology

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Figure 3

Figure 3: Life Threatening Severe QTc Prolongation in Patient with Systemic Lupus Erythematosus due to Hydroxychloroquine 