Table 1.

Summary of patient findings included in the revised probabilistic reasoning module. All additions are listed in italics. TGRI = tenderness, guarding, rebound, ileus. XR = X-ray. IVP = Intravenous Pyelogram. (L) = left. (R) = right. NG = nasogastric.

(L) chest wound present	distended neck veins
(R) chest wound present	stridor
(L) decreased breath sounds	(L) tracheal deviation
(R) decreased breath sounds	(R) tracheal deviation
Hemoptysis	odynophagia
Shock	+ lavage results for blood
muffled heart sounds	blood in NG tube
weak arm pulses	TGRI
weak leg pulses	distended abdomen
+ IVP for left renal injury	free air in abdomen
+ IVP for right renal injury	+ XR: lacerated diaphragm
hematuria