This is the 12322nd most frequent Turkish word.
hastayı
"Patient" (in accusative form).
In this sentence, 'hastayı' is the accusative form of 'hasta', meaning 'the patient', indicating the direct object of the verb 'muayene etti' (examined).
Doktor hastayı muayene etti.
The doctor examined the patient.
Here, 'hastayı' again serves as the direct object of the action 'içeri aldı' (brought inside), showing who was affected by the action.
Hemşire hastayı içeri aldı.
The nurse brought the patient inside.
In this usage, 'hastayı' is the direct object of the verb 'taşıdı' (carried), indicating the person being moved to the ambulance.