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Table 2 CT-findings in haemodynamically stable blunt trauma patients with either a (true- or false) positive FAST (n = 14) or a false negative FAST (n = 6)

From: Should we perform a FAST exam in haemodynamically stable patients presenting after blunt abdominal injury: a retrospective cohort study

Subject nr Free abdominal fluid confirmed (yes/no) Findings on CT
Positive FAST
 1 Yes Spleen laceration grade 4, active bleeding Liver laceration grade 2, no active bleeding
 2 Yes Deep laceration of liver into vena cava inferior. No active bleeding
 3 Yes No source identification for free fluid
 4 Yes Active bleeding of the mesentery
 5 Yes Spleen laceration grade 2, no active bleeding
 6 Yes Image of liver laceration grade 5/6, no active bleeding
 7 Yes Bruised liver, no active bleeding
 8 Yes Spleen laceration, no active bleeding
 9 Yes No source identification for free fluid
 10 Yes Liver laceration grade 5, no active bleeding Spleen laceration grade 5, no active bleeding
 11 Yes Spleen laceration, active bleeding
 12 Yes Liver laceration, suggestive for active bleeding Diffuse laceration of the spleen, active bleeding
 13 No No pathologic findings identified
 14 No No pathologic findings identified
False negative FAST
 15 Yes No source identification for free fluid
 16 Yes Liver laceration grade 7/8, no active bleeding
 17 Yes Liver laceration grade 4
 18 Yes Free gas in the omental bursa, cave perforation.
 19 Yes Possible liver laceration, no active bleeding
 20 Yes Kidney and liver laceration, active bleeding