Translation:The nurse advised me to go to a hospital.
The -u ending in subordinate phrases
We also use the -u ending in subordinate phrases starting with ke, when the verb in the preceding, main part of the sentence expresses a want, desire, demand or preference:
Mi volas, ke vi iru. I want you to go.
Li preferas, ke mi ne donu al vi monon. He prefers that I not give you money.
Ŝi postulas, ke la infanoj studu. She demands that the children study.