How to judge whether it is angina pectoris? The effect of nitroglycerin

summary

We should pay more attention to some diseases that often come out to harass our bodies in our life. After all, these seemingly not serious diseases, like poisonous snakes, will make us lose our lives at any time. Experts say that for a disease like angina pectoris, the most important thing for us is to know its cause so that we can take control measures at any time. So, what are the pathogenic factors of angina pectoris?

How to judge whether it is angina pectoris? The effect of nitroglycerin

The first is physical exertion, followed by emotional excitement - climbing the stairs, walking on the ground, walking against the wind after a full meal, even defecating with force or lifting the arm over the head, exposure to cold environment, cold drink, pain in other parts of the body, as well as emotional changes such as terror, tension, anger and annoyance can be induced. In the morning, the pain threshold is low, and mild labor such as brushing teeth, shaving and walking can cause seizures; in the morning and afternoon, when the pain threshold is increased, the heavier labor can not be induced. Discomfort that occurs after physical activity rather than at the time of physical activity is not like angina. Physical activity combined with emotional activity is more likely to induce. Spontaneous angina can occur without any obvious inducement.

Second: the effect of nitroglycerin - if the sublingual nitroglycerin tablet is effective, angina pectoris should be relieved within 1-2 minutes (or 5 minutes, considering that the patient's estimation of time may not be accurate enough). Nitroglycerin may not be effective for supine angina pectoris. When evaluating the effect of nitroglycerin, we should also pay attention to whether the drugs used by patients have failed or nearly failed.

Third: cardiac neurosis - patients with this disease often complain of chest pain, but for a short time (a few seconds) or a longer time (a few hours) pain, patients often like to take a deep breath or sigh from time to time. The location of chest pain is near the apex of the heart under the left breast, or often changes. Most of the symptoms appear after fatigue, but not at the time of fatigue. It is comfortable to do light activities, and sometimes it can tolerate heavy physical activities without chest pain or tightness. Nitroglycerin is ineffective or "effective" after more than 10 minutes, often accompanied by palpitations, fatigue and other symptoms of nerve failure.

matters needing attention

This disease is caused by diastolic and systolic dysfunction of small coronary artery. The main manifestation is recurrent angina pectoris. Pain can also occur at rest. ECG can show myocardial ischemia, radionuclide myocardial perfusion can show myocardial defect, and echocardiography can show segmental wall motion abnormality. But this disease is more common in women, the predisposing factors of coronary heart disease are not obvious, the pain symptoms are not typical, coronary angiography is negative, left ventricular hypertrophy is not present, ergonoxine test is negative, the treatment response is unstable and the prognosis is good, which is different from angina pectoris.