Hello

Bsc . Physician Assistant is also a nice  course, you should pursue MSc in same domain to become specialist.

If you are thinking to change your domain then you go for following medical courses for better employability:

Cardiovascular technology
Neurophysiology technology
Anaesthesia technology
Operation theatre technology
Nuclear Medicine
Radio Imagining Technology

Research oriented course
Biotechnology
Microbiology
Biochemistry
Biomedical science
Pharmacy

Decide according to your aspirations research or money order then decision making will be easier.

Thanks