There are no pathognomonic signs or symptoms. These are responsible for the observed signs and symptoms. Diagnosis is based on the signs and symptoms. These conditions form a spectrum of diseases with overlapping signs and symptoms. Diagnosis is usually made based on the observed signs and symptoms. Diagnosis is based on the presenting signs and symptoms. NICE recommends that further investigations are unwarranted in those without relevant signs or symptoms. Up to 40% of cases present with signs and symptoms of acute hepatitis. Billboards and the use of portable signs are banned. Croup is typically diagnosed based on signs and symptoms. It is one of the six positive signs. Monitoring of cardiac rhythm and vital signs is indicated. Fever is one of the most common medical signs. There are no signs or information in Korean here. There are no plans for adopting the Vienna Convention on Road Signs and Signals standards.