Need to be defibrillated? Nina Dobrev can help.

The actress plays an overachieving medical student in the “Flatliners” remake, opening Sept. 29.

“I did multiple weeks of medical training. It was really intense, but fun,” she tells The Post at Marchesa’s Fashion Week show Wednesday.

“I couldn’t bring someone back to life, but I could definitely resuscitate someone and keep them alive long enough until the real professionals came,” the 28-year-old star says. “I’ve never had to test it out and let’s knock on wood that I never have to.”