Find out if you've dropped frames (Premiere)

See the wrench on your Record monitor?

Go to it and check Dropped Frames indicator.

Now you can make smart decisions if Adobe Premiere Pro drops frames (is it serious? No, they'll all be there for output - but you may choose to render or degrade the playback resolution depending on if it drops frames/how many frames were dropped.

Adobe Sessions with tips like this will be at NAB/Post Production world