Came in just to check out my headache and made me ...

Came in just to check out my headache and made me stay the night. Next morning the doctor wanted to see me before I could be released so I waited patiently in my room. After 7 hours of waiting for him, I have a nurse call him and he has the nerve to say that he already saw me and that I could leave. Literally wasted my whole day because of negligence. Worst experience ever