http://en.wikipedia.org/wiki/San_Francisco_Syncope_Rule:
The mnemonic for features of the rule is CHESS:
• C – History of congestive heart failure
• H – Hematocrit < 30%
• E – Abnormal ECG
• S – Shortness of breath
• S – Triage systolic blood pressure < 90
Boston Syncope Rule:
http://www.aapsus.org/articles/42.pdf
The ROSE (Risk Stratification of Syncope in the Emergency Department) Study:
http://content.onlinejacc.org/article.aspx?articleid=1140471
Kriterien zur stat. Abklärung nach Synkope