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How to diagnose coronary heart disease?
Coronary heart disease can be examined through electrocardiogram (ECG) or ambulatory ECG, echocardiography, coronary CT, or coronary angiography. However, the gold standard for diagnosing coronary heart disease is coronary angiography, where a certain degree of stenosis can confirm the diagnosis. If coronary heart disease is confirmed, it is important to adjust lifestyle factors on one hand and, on the other hand, have a specialist doctor formulate a reasonable treatment plan. If there is no emergency condition, medications such as antiplatelet drugs and lipid-regulating drugs should be taken.
Coronary heart disease

Tooth decay lacks what element
Cavities are a type of dental hard tissue defect caused by bacterial infections. The factors leading to cavities primarily include bacteria, food, host, and time, mainly due to bacteria using food residues to produce acid demineralization in teeth, resulting in cavities. Cavities may also be due to incomplete enamel development during the prenatal calcification of teeth, which can occur if there is a calcium deficiency in the mother during pregnancy. Therefore, teeth are more susceptible to decay after they emerge, so cavities might be caused by a calcium deficiency during prenatal development. In addition, cavities are also related to postnatal factors, such as not brushing or rinsing promptly which allows food residues to remain, or due to the consumption of sweet foods, especially sugars, which bacteria break down to produce acids that cause tooth decay.
Dental caries

Can I eat Dendrobium if I often have oral ulcers?
Mouth ulcers are generally caused by various factors related to the patient, such as local trauma, certain foods, frequent use of certain medications, poor nutrition, changes in hormone levels in the body, and excessive mental stress. Additionally, a deficiency in vitamins or trace elements in the body, or some systemic diseases, can also lead to the occurrence of mouth ulcers. When patients experience mouth ulcers, they can appropriately consume some Dendrobium, as it is beneficial for ulcers and is edible. However, it is recommended that patients with mouth ulcers still undergo local ulcer treatment. They can use specific medications for mouth ulcers, such as mouth ulcer lozenges or xyliodine lozenges, which can be directly applied to the ulcerated surface and can aid significantly in healing. Additionally, it is suggested that patients frequently use Kangfuxin Liquid for oral rinsing, which can effectively control bacterial infection in the mouth. Regarding diet, it is important to eat lightly and diversely, including plenty of fresh vegetables and fruits to adequately supplement nutrients. (The use of medications should be under the guidance of a physician.)
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Why are there lymph nodes under the armpit in lobular hyperplasia?
Breast lobular hyperplasia generally does not involve enlargement of the lymph nodes. The enlargement of lymph nodes can be physiological or pathological. Physiological enlargement is either congenital or caused by inflammation, whereas pathological enlargement is generally caused by breast cancer. Lymph nodes affected by breast cancer can be located and fixed in the armpit, and may also be palpable above or below the clavicle. Lobular hyperplasia is related to the levels of hormones in the body; it is not inflammatory, but mainly associated with increased estrogen levels. There may also be variations in the quality and quantity of estrogen receptors in the breast tissue components, leading to uneven development in different parts of the breast.
Breast lobular hyperplasia

Can you take cold medicine if you have a cold 7 days into pregnancy?
Generally speaking, 7 to 10 days after conception, the embryo will implant itself in the endometrium. After the implantation of the embryo, the mother's blood begins to supply the embryo. At this time, if medication is taken, it can have an impact on the embryo. However, the vast majority of medications have no effect and can be taken during pregnancy, including most cold medicines. If you catch a cold during pregnancy, the first choice is to drink plenty of hot water, enhance resistance, and rest more. A mild cold can usually be overcome without medication. If the fever exceeds 38.5°C, with signs of infection such as sore throat and cough, antibiotics like azithromycin and cefaclor, which do not affect pregnancy, can be taken for anti-infection treatment. (Please take medication under the guidance of a doctor)
Common cold

How to recuperate from a rib fracture
Usually, patients with rib fractures need to have an ordinary X-ray and a chest CT to make a clear diagnosis. For displaced fractures, it is crucial to actively reposition, especially for severely displaced fractures, as healing can be challenging. Additionally, strict external fixation with rib fixation plates is necessary, as this provides the best conditions for fracture healing. It is essential to closely monitor changes in vital signs; if the patient experiences chest tightness or difficulty breathing, it may be necessary to actively perform a follow-up chest CT. Often, patients may develop pulmonary contusion and pleural effusion or pneumothorax. For those with a significant amount of fluid or air, it may be necessary to actively perform closed thoracic drainage surgery.
rib fracture

What should I do if I have vomiting due to vestibular neuritis?
Otolithiasis is a relatively common otolaryngological disease. Clinically, symptoms such as nausea and vomiting may occur. When vomiting occurs, it is essential to ensure rest, avoid external stimuli, and refrain from vigorous exercise. Many patients find their symptoms gradually alleviating after rest. Additionally, a positional test can be conducted to determine the specific location of the lesion in the semicircular canals, followed by targeted manual repositioning treatment. If the condition is severe, with prominent symptoms of dizziness, nausea, and vomiting, oral anti-vertigo medications may be considered to help control the condition and alleviate symptoms. (The use of medications should be under the guidance of a professional doctor.)
Benign paroxysmal positional vertigo

Does angular cheilitis spread from person to person?
Angular cheilitis is generally caused by a deficiency in certain vitamins in the patient or a decrease in their immune resistance. It can also occur in dry seasons if the patient does not take proper care of their lips or fails to hydrate adequately. This can lead to the manifestation of angular cheilitis. Angular cheilitis does not usually cause infection as it is associated with the body's own bacterial infection or internal diseases and is not considered a contagious disease. Furthermore, when a patient exhibits symptoms of angular cheilitis, it is crucial to maintain cleanliness in the affected area, promptly remove any food residues, and pay attention to local disinfection. The application of anti-inflammatory ointments can be beneficial for the recovery of angular cheilitis. Additionally, it is important for patients to hydrate frequently and consume foods rich in vitamins, which can significantly aid the healing process of angular cheilitis.
Angular cheilitis