Malignant arrhythmia: A case report of nasal NK/T-cell lymphoma with cardiac involvement

interrupting therapy. Therefore, early detection and interruption are important for resolving the condition before it progresses. High-dose fluorouracil is widely used in a variety of continuous infusion regimens for various tumors. When using 5-FU or its derivatives, clinicians should be aware of this disease entity as a serious adverse effect, which is similar to classic HFS. This work was presented at the Heart Rhythm Society, Denver, Colorado, 11/5 2007.