How to use "pounding" in a sentence

Heart pounding, she fumbled with the bedside lamp

Her heartbeat became less like the pounding of a jackhammer, but it still did not settle into a normal rhythm; now it was affected by excitement rather than terror

His pounding footsteps were as thunderous as drumbeats in the quiet night air

She took the last few steps haltingly, her heart pounding, her throat constricted