If the blood is coming from the left bronchus, the child's bronchioles would be gushing blood when the swab was taken out.
But the blood is coming from the right bronchus.
Other foreign objects might have scratched the right bronchus; the likelihood of the swab scratching the tracheal wall is very low.
The group of doctors realized the severity of the upcoming situation and asked around, "What dental treatment did she undergo previously?"
As a dentist, Lin Liqiong was called in urgently to assist in the diagnosis.
Using an oral mirror, Lin Liqiong examined the child's oral cavity under the daylight lamp and said, "There's a cavity here; this deciduous tooth is decayed. Perhaps there was a plan to extract this tooth, but it first requires treatment for acute inflammation. Once the inflammation subsides, the tooth can be extracted. It seems that the crown of this decayed tooth has broken, so—"
