haii! okay so recently at random moments of the day my heart beat turns into slow, heavy beats that last for a little while. when it happens i suddenly cant get enough breath into my lungs.i tried taking in gulps of air with my mouth, steadying it and breathing normaly but it doesnt help. im a 14 year old girl what should i do?! help me please! thank you^^ (oh im also clean. i never smoked, drank alchol or drink caffiene drinks)