Panic, weakness, dizziness, body weakness. What's the cause?

The symptoms of palpitation, weakness, dizziness, and body weakness should be considered for the following possible reasons: first, the symptoms of hypoglycemia. The most common is idiopathic functional hypoglycemia, which is common in middle-aged women. It is characterized by no clear cause of onset. The symptoms are relatively light when the attack occurs, and rarely lose consciousness. Early symptoms are palpitation, fatigue, hunger, hand shaking, cold sweat, pale face, cold limbs or nausea, vomiting, etc. Mainly due to sympathetic nerve excitability, adrenaline caused by too much. Second, to take into account the situation of active myocarditis can show palpitation, palpitation, tachycardia, arrhythmia, chest tightness, shortness of breath, dizziness symptoms, can focus on examination to exclude. Third, to take into account the performance of hyperthyroidism, to the hospital to check thyroid function to do thyroid color ultrasound can be clearly diagnosed. In addition, there is the possibility of cardiac neurosis.