What is "skips a beat"

Usage examples of "skips a beat".

My heart still skips a beat when I catch sight of the murti, of God Residing, in the inner sanctum of a temple.

Consciousness skips a beat, and mental space is instantly renovated, angles and edges begin to develop padding, thoughts wander off from the party to find themselves in dead-end corridors and musty rooms with no doors, popping peanuts one by one into their toothless mouths, muttering solecisms to the lifelike forms on the wallpaper.

I scan the horizon with my binoculars and my heart skips a beat, I think I've seen something.

His heart beats faster every time he looks at you, and yours skips a beat every time you see him.

So you can see what I mean, as my heart skips a beat and thuds itself with the old, old fear.