COPD - Symptoms and causes - Mayo Clinic
2024年8月30日 — This limited airflow is known as obstruction. Symptoms include trouble breathing, a daily cough that brings up mucus and a tight, whistling sound in the lungs called wheezing. COPD is most often caused by long-term exposure to irritating smoke, fumes, dust or chemicals. The most common cause is cigarette smoke.
COPD - Diagnosis and treatment - Mayo Clinic
2024年8月30日 — Spirometry diagnoses COPD and tells how much airflow is limited. Lung volume test. This test measures the amount of air the lungs hold at different times when breathing in and out. Lung diffusion test. This test shows how well the body moves oxygen and carbon dioxide between the lungs and the blood. Pulse oximetry.
New definitions and diagnoses in interstitial pneumonia - Mayo …
2018年9月12日 — Acutely presenting (COP and AIP) This approach may better assist the clinician in terms of recognition and work-up of initially undifferentiated presenting disease. While any of the eight may appear independently as primary or idiopathic disease, many are involved in the progressive lung injury associated with chronic organic or inorganic ...
Pneumonia - Symptoms and causes - Mayo Clinic
2020年6月13日 — Pneumonia and your lungs Enlarge image. Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing. A variety of organisms, including bacteria, viruses and fungi, can cause pneumonia.
Lymphedema - Symptoms and causes - Mayo Clinic
2022年11月24日 — Lymphedema is swelling in an arm or a leg. In rare circumstances, it affects both arms or both legs. It can also affect the chest wall and abdomen. Lymphedema signs and symptoms include: Swelling of part or all of the arm or leg, including fingers or toes. A feeling of heaviness or tightness.
暖通空调行业常常提及的COP，具体指代什么呢？ - 知乎
为了衡量制冷压缩机在制冷或制热方面的热力经济性，常采用性能系数COP这个指标。. 制冷性能系数. 开启式制冷压缩机的制冷性能系数COP是指在某一工况下，制冷压缩机的制冷量与同一工况下制冷压缩机轴功率Pe的比值。. 封闭式制冷压缩机的制冷性能系数COP是 ...
Whooping cough - Diagnosis & treatment - Mayo Clinic
2022年2月11日 — Diagnosing whooping cough in its early stages can be difficult because the signs and symptoms resemble those of other common respiratory illnesses, such as a cold, the flu or bronchitis. Sometimes, doctors can diagnose whooping cough simply by asking about symptoms and listening to the cough. Medical tests may be needed to confirm the diagnosis.
Pulmonary edema - Symptoms & causes - Mayo Clinic
2022年5月27日 — A blood clot moving from the blood vessels in the legs to the lungs can cause pulmonary edema. Exposure to certain toxins. Inhaling toxins or breathing in some stomach contents when vomiting (aspiration) causes intense irritation of the small airways and air sacs, resulting in fluid buildup. High altitudes.
马上要召开的COP15、COP26到底是什么？ - 知乎
COP是联合国某某公约（有很多公约）的 缔约方会议 （conference of parties，COP），比较著名的有两个：. 《气候变化框架公约》COP：UNFCCC-COP，conference of parties to the UN Framework Convention on Climate Change（UNFCCC），也叫联合国气候变化大会（UN Climate Change Conference）；马上要 ...
Leukemia - Symptoms and causes - Mayo Clinic
Leukemia is cancer of the body's blood-forming tissues, including the bone marrow and the lymphatic system. Many types of leukemia exist. Some forms of leukemia are more common in children. Other forms of leukemia occur mostly in adults. …