Assertion: endotracheal tube's tip | /r/HasProperty | visualized near the carina
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Source sentences:
text: If insertion was impeded, a lubricated 2.3 mm Cook® airway exchange catheter was inserted via the ETT beside the FOB until the tip of the catheter was visualized near the carina; the ETT was then advanced over the bronchoscope and the Cook® exchange catheter.