Yes, a medicals request means you have a positive selection decision ("SELDEC") based upon your application. This is generally the point they ask for medicals, order your CSIS background check, ask you for the RPRF if you haven't already paid it, and an updated PCC if your current one has expired.
Once all of those things are back, they will review again and assuming your medical assessment is M1, M2, or M3, your CSIS background check is satisfactory, the RPRF has been paid and your PCC is current they will issue a PPR.