i have been having heart palpatations over the past month, ive noticed ive also been extremely tired, just no energy, just checked bp at rest is 108/68 and pulse 56 is this normal or when should i see a doctor , i dont take any medications, i quit smoking 5 weeks ago, because of the sluggishnish feeling and weird heart palpatations. Im a 5 10 160lb. female with a family history of heart disease(smoked for 25years, just quit 5 weeks ago)