hey everyone I currently tapered off 100mg of sertraline the last couple of weeks and am now taking none

recently i’ve been experiencing this weird zap or jolt that comes in a series of 4 or 5 ‘zaps’ at a time. It almost feels like heart palpitations as i can feel it in my chest but also through the rest of my body including my head. This has been happening almost constantly throughout the day 
has anyone experienced similar? is this something to worry about ? thanks