AC-S1 e S2+

Portuguese to English Medical Medical (general) Emergency room report

I am translating this for a friend and I am not very experienced in medical translation. It's the hospital report he received after a visit to the emergency room because of a persistent cough and difficuty breathing:

Exame físico:
Ao exame objetivo, doente consciente, colaborante sem SDR e sem tiragens.
AP-MV+ bilat, sem alts
AC-S1 e S2+ rítmico, não ouço sopros