A Study Evaluating the Use of ResAppDx v2.0 as an Aid to Diagnose Respiratory Disease in Adolescent and Adult Patients in an Emergency Department

Exclusion Criteria

• •1\. Parent or legal guardian is unwilling or unable to sign the study informed consent form.
• •2\. Adolescent patient who, in the opinion of the investigator, is able to provide assent based on their age, maturity or psychological state is unwilling or unable to sign the study assent form.
• •3\. Patient requires mechanical ventilatory support (including invasive, CPAP, or BiPAP) or high flow nasal cannula.
• •4\. Patient has a history of structural airways abnormalities, tracheobronchomalacia, or vocal cord abnormalities (e.g. laryngomalacia, tracheomalacia, or bronchomalacia).
• •5\. Patient has any medical contraindication to voluntary cough, including the following (only enroll if coughing spontaneously):
• •a. Severe respiratory distress b. History of pneumothorax c. Eye, chest, or abdominal surgery within 3 months of presenting to the site 6. Hemoptysis within 1 month of presenting to the site. 7. Patient is too medically unstable to participate in study at the discretion of the treating clinician.
• •8\. Patient has a tracheostomy present and/or has a tracheostomy tube placed. 9. Patient is unable to provide at least 5 coughs (voluntary and/or spontaneous).