WATCH VIDEO: Female Doctor Saves Security Guard's Life After He Fell Unconscious 

In a shocking case, a security guard in China's Beijing city suddenly collapsed and feel to the ground. Soon after falling, he went into convulsions but to his good luck a heroic doctor rushed to his help and gave him CPR in the nick of time.  

A dramatic video of the moment has gone viral, where a mask-wearing man is seen falling backward. While falling, he hit his head against a car which was standing nearby. 

Within few seconds of him falling, a woman, can be seen running towards him. She was later identified as a doctor named Zhu Haoyu, who jumped out of her car and rushed to him for help. Soon after reaching him, she rolled him over onto his back and starts performing chest compression.

With her effort and timely help, the guard regained consciousness. An ambulance was called immediately and a medical team took the man to a hospital.

As per a New York Post report, the doctor, Zhu, conducts postdoctoral study in Beijing. Watch the dramatic video below: