Chest tightness, shortness of breath, difficulty breathing, palpitation, numbness in hands and feet,

Chest tightness, shortness of breath, dyspnea, palpitation, numbness of hands and feet may be related to cardiac neurosis, heart disease, autonomic nerve disorder, anemia, hypoglycemia, and lung disease. Suggestions: ECG, blood pressure and blood sugar measurement, color Doppler ultrasound and MRI when necessary.