The best replacement for palpitations is tachycardia.

The best alternatives to palpitations are rated as following:
★★★★★  tachycardia
★★★  arrhythmia
★★★  irregular heartbeat
★★★  afib
★★★  stomach
★★  atrial fibrillation
★★  fluttering
★  fibrillation
★  pounding heart
★  esophageal spasms
★  spasms
  flutters
  arrhythmias
  palpitations
  irregular heartbeats

Your alternative for palpitations is not listed? Suggest!
Speaking about palpitations, one probably shouldn't forget about normal pulse.

Other search terms related to palpitations and their ratings are:
★★★★★ normal pulse
★★★ normal ecg
★ hot flash
lightheadedness
normal heart rate
mitral valve prolapse
You have in mind a companion for palpitations and it is not yet here? Propose!



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palpitations
tachycardia
arrhythmia