The clinical features of angina pectoris, typical of angina pectoris, are and so on.

Hello Characteristics of typical attacks of angina.

1.Typical angina symptoms.

Sudden, sudden, squeezing, bulging, or asphyxiating pain behind the upper or middle sternal body may also affect most of the precordial area, radiating to the left shoulder, anteromedial aspect of the left upper extremity, ring finger and little finger, and occasionally accompanied by a sense of impending death, often forcing the patient to stop moving immediately and, in severe cases, sweating. The pain lasts 1 to 5 minutes and rarely exceeds 15 minutes; With rest or nitroglycerin, the pain disappears within 1 2 minutes (rarely more than 5 minutes). It usually occurs during exertion, agitation (anger, anxiety, overexcitement), cold, full food, smoking, and can also be induced by anemia, tachycardia, or shock.

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2.Atypical angina symptoms.

Pain may be located in the lower sternum, left precordium, or upper abdomen, radiating to the neck, jaw, left scapula, or right anterior chest, and may disappear quickly or be limited to discomfort and stuffiness in the left anterior chest, and is common in older patients or diabetic patients.

Answer]: a, b, c, e

Typical angina is characterized by: Triggers: often triggered by physical activity, agitation, heavy meals, cold, or tachycardia.

It can also occur at night. Site and radiation site: The position of the classic banded part is behind the upper middle of the sternal body, and can also be in the precordial area, often radiating to the left shoulder, medial arm to the little finger and the unnamed cherry finger, or to the neck, pharynx, and lower bones, and a few can radiate to other atypical sites or the pain of the radiation site is more significant.

The range of pain in the precordial area is such as the size of the palm of the hand and the boundary is not clear. Nature: compression, constriction or stuffiness, sometimes suffocation and a sense of impending death, pain can be mild or severe, severe with anxiety, cold sweat.

Duration and relief: After the onset of pain, it usually gradually worsens, resolves spontaneously in 1 to 5 minutes, and occasionally up to 15 minutes, with rest or sublingual nitroglycerin.

It is typical of angina pectoris, which is characterized by companionship () Hengjing.

a.Most of the parts are the upper right middle.

b.There is no typical trigger.

c.The nature of the pain is pins and needles.

d.Removal of the trigger or sublingual nitroglycerin may relieve pain.

Correct answer: d

The clinical classification of angina pectoris is described below.

1) Exertional angina: induced by exertion or emotional agitation. Including first-onset angina pectoris, with a history of less than one month; Stable angina pectoris, the condition is stable for more than one month; Worsening angina, recent worsening of pain in nature and frequency.

2) Spontaneous angina: It can also occur at rest. Can be divided into supine angina, which occurs at rest and sleep; Variant angina, caused by spasm of the coronary arteries, with ST segment elevation during onset.

3) Mixed angina: Attacks occur at rest and on exertion.