Food and drug administration (fda) in december 2020. Diagnosis is by electrocardiography (ecg) and the presence or absence of biomarkers The mechanism is not clear, but an immunologic contribution to the mechanism of apparent encephalitis is possible (2).
Heavy chain diseases are neoplastic plasma cell disorders characterized by overproduction of monoclonal immunoglobulin heavy chains Symptoms include chest discomfort with or without dyspnea, nausea, and/or diaphoresis Symptoms, diagnosis, and treatment vary according to the specific disorder.
