Tachycardia

Hi mga mamsh,,worried lang ako ,,,kasi super bilis ng hearbeat ko which is 133bpm Di daw normal kay baby naman is normal and no other complications,,,what should i do ?may nakaexperience na po ba ?im 35 weeks 4 days palang,any suggestions?,bukas pa kasi balik ko sa hospital for another check up..TIA mga mamsh.