Emphatic phrase meaning 'at any moment now' or 'right away'; indicates readiness or urgency to act immediately.
荷物の準備はできているから、今すぐにでも出発できる。
My luggage is ready, so I could leave at any moment now.
彼は疲れているが、今すぐにでも助けに来てくれそうだ。
He seems tired, but he looks like he could come help at any moment now.
この問題は今すぐにでも対処すべきだ。
This issue should be dealt with immediately.