Abstract
A 64-year-old previously healthy man presented with 8 weeks of progressive dyspnea on exertion and cough. Prior to presentation, the patient was able to bicycle > 60 miles per week and work full-time in a home improvement store. He was up-to-date with age-appropriate cancer screening and immunizations, and home medications included famotidine for reflux and nonsteroidal antiinflammatories for osteoarthritis, both as-needed. He had no significant respiratory exposure, aside from previous work as an electrician. His symptoms began in mid-February 2020 amid the coronavirus disease 2019 pandemic, although he had no known exposure to the virus.
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MeSH terms
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Autoantibodies / blood
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COVID-19 / diagnosis*
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Diagnosis, Differential
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Disease Progression
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Fructose-Bisphosphate Aldolase / blood*
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Glucocorticoids / administration & dosage*
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Humans
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Immunosuppressive Agents / administration & dosage
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Lung / diagnostic imaging*
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Lung Diseases, Interstitial / diagnosis
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Lung Diseases, Interstitial / physiopathology
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Male
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Middle Aged
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Muscle Weakness / diagnosis
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Muscle Weakness / etiology
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Myositis* / blood
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Myositis* / diagnosis
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Myositis* / physiopathology
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Myositis* / therapy
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Oxygen Inhalation Therapy / methods
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Plasma Exchange / methods*
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Prognosis
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Rituximab / administration & dosage*
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Threonine-tRNA Ligase / immunology*
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Treatment Outcome
Substances
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Autoantibodies
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Glucocorticoids
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Immunosuppressive Agents
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Rituximab
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Fructose-Bisphosphate Aldolase
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Threonine-tRNA Ligase