You had no suspicion of the AA, Abd pain even on palpation,guarded position?, ever have an altered LOC? Narrowing pulses? Blood pressure needle drop 10 mmhg every beat of the heart? Pale, diaphoretic skin, and the syncope episode, I would of had either internal bleeding or maybe even AAA, but with it being a birth defect you say? I would have guessed that along those lines....