[header] How to perform the heimlich maneuver on yourself [title] Try to cough out the foreign object. [step] If you feel like you have something caught in your throat, you should try to cough it out. If you can cough forcefully enough to get it out, then you should not have to perform the heimlich maneuver. 
If you cannot get the object out by coughing and are struggling for air, you need to act quickly, especially if you are alone. [substeps] You need to expel the obstruction before you lose consciousness.