Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Emergency Medical Services ?
    ### Response:
    If you get very sick or badly hurt and need help right away, you should use emergency medical services. These services use specially trained people and specially equipped facilities.    You may need care in the hospital emergency room (ER). Doctors and nurses there treat emergencies, such as heart attacks and injuries.
    