Index of suspicion.
D000293:Adolescent; D002555:Cerebrospinal Fluid / Q000382:microbiology; D003937:Diagnosis, Differential; D004562:Electrocardiography; D004576:Electromyography; D005260:Female; D005334:Fever / Q000209:etiology; D006801:Humans; D007223:Infant; D008297:Male; D016920:Meningitis, Bacterial / Q000175:diagnosis*; D009223:Myotonic Dystrophy / Q000175:diagnosis*; D013203:Staphylococcal Infections / Q000175:diagnosis*; D013575:Syncope / Q000209:etiology; D013610:Tachycardia / Q000209:etiology; D013617:Tachycardia, Supraventricular / Q000175:diagnosis; D014839:Vomiting / Q000209:etiology; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications / Q000175:diagnosis*