A 29-year-old woman came to a gynecologist with complaints of irritability, tearfulness, headache, nausea, occasional vomiting, pain in the heart area, tachycardia attacks, memory impairment, meteorism. These signs appear 6 days before menstruation and disappear the day before menstruation or during its first 2 days. On vaginal examination: the uterus and uterine appendages are without alterations. What diagnosis is the most likely?