Unmasking Hydroxychloroquine Cardiotoxicity in a Patient With Heart Failure and Chronotropic Incompetence
Fatima M. Ezzeddine, John R. Giudicessi, Joseph J. Maleszewski, Peter T. Lin, Barry A. Borlaug, Jeffrey B. Geske
Abstract
Chronic use of hydroxychloroquine can result in cardiomyopathy and conduction disturbances. Here, we describe a case of hydroxychloroquine cardiotoxicity in a patient with heart failure with preserved ejection fraction and severe chronotropic incompetence. (Level of Difficulty: Intermediate.)
Topics & Concepts
HydroxychloroquineChronotropicCardiotoxicityMedicineCardiologyHeart failureCardiomyopathyInternal medicineEjection fractionHeart rateChemotherapyCoronavirus disease 2019 (COVID-19)Blood pressureInfectious disease (medical specialty)DiseaseDrug-Induced Ocular ToxicityAntibiotics Pharmacokinetics and EfficacySystemic Lupus Erythematosus Research