Diagnostic Accuracy Comparison Between Telemedicine and Face-to-face Consultations in Respiratory Infection Patients.

Inclusion Criteria: * Patients with at least one acute symptom compatible with RTI (sore throat, nasal obstruction, coryza, new or growing cough, sputum, hoarseness, dyspnea) in presence or absence of symptoms related to the infection (fever ≥ 38oC, chills, sweating, myalgia) that motivated spontaneously face-to-face evaluation at the ED. Exclusion Criteria: * Patients with diagnosis of chronic respiratory diseases (chronic obstructive pulmonary disease, asthma and interstitial lung disease) * Patients with previous diagnosis of congestive heart failure, * Patients with HIV / AIDS * Patients with active cancer * Patients with type I diabetes mellitus * Patients in use of any immunosuppressant * Patients with chronic cough * Patiets that referral to emergency room after nursing triage.