The shortest war ever fought was between Britain and Zanzibar on August 27, 1896. Zanzibar surrendered after 38 minutes.
It takes just about the same time to sit one through a panic attack. Isn’t that a comforting thought knowing panic attacks don’t last forever?
Just let it peak and wait till it subsides. Although the feelings may be horrible at first, understanding that it will end soon makes you feel safe.