In some people, angina attacks have the following special manifestations in addition to the typical pain in the precordial region Headache: throbbing pain on one or both sides of the head, accompanied by a feeling of dizziness, often occurring during labor and relieved by 3-5 minutes of rest. Toothache: pain on one or both sides of the tooth bed, mostly on the left side, and no specific tooth can be identified, and it is not related to acid or cold stimulation, and painkillers are not effective. Shoulder pain: Some patients show paroxysmal soreness in the left shoulder and the inner side of the left upper arm. Neck pain is a throbbing or scurrying pain on one side or both sides, mostly accompanied by mental tension and irritability. Throat: The pain can be manifested as pain in the pharynx or larynx, which can radiate downward along the esophagus and trachea, accompanied by a choking sensation, and there is no redness or swelling in the throat, and there is no abnormality in the barium meal examination of the upper gastrointestinal tract. Leg pain: characterized by radiating pain only to the anterior part of the leg, sometimes reaching the four inner toes, but not radiating to the posterior part of the leg. Ear pain: A few patients present with unilateral ear pain, mostly accompanied by chest tightness, palpitations, and increased blood pressure. Cheek pain: A few patients may present with cheek pain and discomfort in the precordial region. Epigastric pain: Pain in the upper abdomen or subxiphoid and right upper abdomen may be present, sometimes mistaken for stomach pain.