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Hoarse voice/Dysphonia (RED FLAGS (Persistent hoarseness (>3 weeks),…

- - - - Inhalation of dust?
      - Shouting/Singing/Talking at length?
- - - - Contraindications
        
        Hemoptysis of unknown origin
        
        Pneumothorax
        
        Unstable cardiovascular status (angina, recent myocardial infarction, etc.)
        
        Thoracic, abdominal, or cerebral aneurysms
        
        Cataracts or recent eye surgery
        
        Recent thoracic or abdominal surgery
        
        Nausea, vomiting, or acute illness
        
        Recent or current viral infection
        
        Undiagnosed hypertension