Can a blood clot give you chest and jaw pain? i breathe normally, but feel like no oxygen is going to my brain...whiteouts also. pulmonary embolism?

This is more likely : Angina, cardiac origin (coronary artery disease) and less likely the presentation of pe. If symptoms just came, chew an Aspirin and get seen at the er. If going on for a while, need to see your doctor sooner than later for a detailed cardiovascular exam, imaging and stress testing.

Call doctor: You need to be seen by someone asap. This can be bery serious. See doctor or go to er.