Longer time between contractions means more ventricular filling, which means the heart contracts with greater strength, which can be felt as a palpitation.
My symptoms are dizziness, fatigue, headaches, nasal congestion, knee pain, heart palpitations, insomnia, anxiety, loss of appetite, but sometimes too much appetite.
Others are investigating whether regular consumption of MSG could be linked to obesity, and it is possible that binging MSG produces headaches, chest pains, or heart palpitations for some people.