NEXUS (National Emergency X-Radiography Utilization Study)
Nexus Kriterleri
- Servikal vertebra spinöz proçes hassasiyeti yoksa
- Fokal nörolojik defisit yoksa
- Normal, alert hasta
- İntoksikasyon yoksa
- Ağrılı “distracting” yaralanma yoksa servikal grafi çekilmesine gerek yoktur.
- Sensitivite, 99%
- NPV 99.8%
- Spesifisite, 12.9%
- PPV 2.7%
- NEXUS 8/818 kırığı atlıyor (1%)
Servikal grafi çekilecekse Kaç Yönlü Film Çekelim?
- Antero-posterior
- Lateral
- Odontoid (open-mouth)
- Flexion –Extension
- Swimmer’s view
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