diagnosed using tool treated with Abnormality of the Respiratory System Personal Medical History Antibiotic Blood Transfusion Hydration Therapy Non-specific Acute Lower Respiratory Tract Episode SCDO None Several possible etiologies including infections by various classes of microorganisms, pulmonary fat emobolism, infarction and pulmonary embolism. Request inclusion into relevant ontology Provide source for additional info. Acute onset of respiratory symptoms and signs including cough, coryza +/- fever. Includes acute respiratory episodes with lower respiratory tract signs that do not meet the criteria for other diagnoses. May include episodes which would have been diagnosed as ACS were radiographic facilities available. Physical Examination Physiotherapy