That usually works fine, as people are used to such conventions -- often to the point of not noticing them. However, there are a couple ways of helping things flow:

A moment later, she pushed open the door, breathing heavily as she entered the basement.

When she reached the door, she was breathing heavily...

Or use just a word or two to describe the action in between: She rushed to the basement door, breathing heavily as she pushed it open...

You can also break from conventional grammar, using a series of word-images to create flow; this can be disjointed or dreamlike, though: She drove to the complex, a short walk and a heavy door, and she was in the basement breathing heavily.

Finally, skipping a line usually indicates a break in scene; not really appropriate after the first paragraph, but another tool.