Mr.Mario Lo, yes, the Chinese embassy in Switzerland can issue visa to aliens who come to China to visit patients in critical conditions in the most express way. However, Panama doesn't have diplomatic relations with China

What are the procedures and requirements to get it?

I just need the visa for 7 days.

I know that Panama does not hat diplomatic relation with China, but I am in switzerland and I have been living here for more than 9 months.

I have been issue Chinese Visa before, the las time was last year. My mother also is a Chinese national

Mr.Mario Lo, the requirements for you to apply for tourist visa are:
.A valid passport as well as a copy of its information page: Your valid passport must have at least six (6) months of remaining validity and at least one blank visa page in it.
2.Application form: One completed Visa Application Form.
3.Photo: one recent photo of 2x2 square inch (black & white or color is acceptable) glued or stapled on the application form.
4. valid Swiss student visa or residence permit and copy
5. notice of patient in terminally ill from the hospital.
6. return flight ticket.