To hopefully give you some peace of mind until a lawyer licensed in your state responds, I would anticipate that you would receive some additional time to make full payment of all the financial obligations imposed. It would be a good idea for you to bring some documentation to support the fact you were hospitalized at the time of the hearing. Their primary interest is in getting the money paid not in putting you in jail. If you do not receive a response from a lawyer licensed in SC fairly soon, I would definitely reach out by telephone to one or more attorneys in the Myrtle area to discuss. Most attorneys offer free (but limited) consultations. Good luck.
If you don't already have a lawyer, hire one to help you. The law is complex and there may be things that can be done that you didn't know about. Good luck!
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You need to seek out a lawyer b/c it sounds like you we're tried in your absence but you have a valid reason that might be able to re-open your case and get you a better resolution. W/o knowing more, it's too hard to say until I know more about the case.