She had been taking hydroxychloroquine as a disease-modifying agent for about 15 years. A transthoracic echocardiogram showed reduced left ventricular function with an ejection fraction of 35% (A, Online Video 1). Plaquenil toxicity aao guidelines Hydroxychloroquine canada New clinical and ultrastructural findings in hydroxychloroquine-induced cardiomyopathy a report of 2 cases. Hum Pathol. 2007; 58–1863. INTRODUCTION. Although the precise incidence is unknown, drug-induced myopathy is among the most common causes of muscle disease. Drug-induced myopathy ranges from mild myalgias with or without mild weakness to chronic myopathy with severe weakness and to massive rhabdomyolysis with acute renal failure 150 agents have been associated with rhabdomyolysis. Hydroxychloroquine sulfate sulfate base, and are for oral PLAQUENIL® HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION PLAQUENIL h. ydroxychloroquine sulfate is a. white or practically white, crystalline. powder freely. soluble in water; practically insoluble in alcohol, chloroform, and in ether. The. chemical. name for Periodic-acid Schiff staining showed glycogen deposition in myocyte cytoplasm. Subsequent coronary angiography revealed normal coronary arteries. Hematoxylin and eosin staining revealed myocyte vacuolization (B). Plaquenil induced cardiomyopathy Hydroxychloroquine and Colchicine Induced Myopathy The., Drug-induced myopathies - UpToDate What is aralenHydroxychloroquine gastrointestinal side effectsPlaquenil brittle nailsRetinal toxicity plaquenil reversible We present the case of a 75-year-old woman with a medical history of rheumatoid arthritis treated with hydroxychloroquine, who was admitted with acute left-sided heart failure due to a hydroxychloroquine-induced cardiomyopathy as supported by endomyocardial biopsy. Acute left ventricular failure in a patient with.. PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. Hydroxychloroquine-Induced Restrictive Cardiomyopathy in a Patient With.. Clinical manifestations of antimalarial-induced cardiotoxicity can manifest as restrictive cardiomyopathy, dilated cardiomyopathy, or conduction abnormalities such as bundle branch and atrioventricular block. Patients usually present with HF symptoms. However, non-specific chest discomfort may be a presenting or coexisting feature. Abstract. Chloroquine Hydroxychloroquine-induced cardiomyopathy is a rare but potentially life-threatening condition. Cessation of the culprit drug, along with aggressive afterload reduction therapy, has been associated with halting of disease progress and even improvement in patients' clinical and histologic status. Genetic predisposition for HCQ‐induced cardiomyopathy was first proposed in a set of twin sisters who both suffered from SLE. 9 Chatre et al. described a case of a 61‐year‐old woman whose diagnosis of α‐galactosidase A deficiency was unmasked by chronic HCQ treatment. 10 Because Fabry disease and other lysosomal storage disorders, such.