“Even as Mr. Trump has promoted the drug, which is also often prescribed for patients with {{w|lupus}}, it has created rifts within his own {{w|coronavirus task force}}. And while many hospitals have chosen to use hydroxychloroquine in a desperate attempt to treat dying patients who have few other options, others have noted that it carries serious risks. In particular, the drug can cause a {{w|heart arrhythmia}} that can lead to {{w|cardiac arrest}}.”