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  1. 2024年1月23日 · Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question.

  2. 2022年3月21日 · In a normal heart rhythm, your heartbeat is steady and even. But sometimes, an extra heartbeat can disrupt the rhythm. A pattern of three beats is called trigeminy, and it happens in many healthy ...

  3. 2022年12月8日 · Pulled to one direction. Other symptoms that may accompany vertigo include: Feeling nauseated. Vomiting. Abnormal or jerking eye movements (nystagmus) Headache. Sweating. Ringing in the ears or ...

  4. 2022年9月16日 · Retinal Disorders. Conjunctivitis (Pinkeye) Corneal Diseases. Eyelid Problems. Vision Changes. Problems With Contact Lenses. 9 min read. Most people have eye problems at one time or another. Some ...

    • Pathophysiology
    • Causes
    • Prognosis
    • Diagnosis

    Portal hypertension is an increase in the blood pressure within a system of veins called the portal venous system. Veins coming from the stomach, intestine, spleen, and pancreas merge into the portal vein, which then branches into smaller vessels and travels through the liver. If the vessels in the liver are blocked due to liver damage, blood canno...

    The most common cause of portal hypertension is cirrhosis of the liver. Cirrhosis is scarring which accompanies the healing of liver injury caused by hepatitis, alcohol, or other less common causes of liver damage. In cirrhosis, the scar tissue blocks the flow of blood through the liver. Other causes of portal hypertension include blood clots in th...

    The onset of portal hypertension may not always be associated with specific symptoms that identify what is happening in the liver. But if you have liver disease that leads to cirrhosis, the chance of developing portal hypertension is high.

    Usually, doctors make the diagnosis of portal hypertension based on the presence of ascites or of dilated veins or varices as seen during a physical exam of the abdomen or the anus. Various lab tests, X-ray tests, and endoscopic exams may also be used.

  5. 2023年7月18日 · Intermittent catheterization is used if you have urinary retention — where you find it difficult to empty your bladder on your own. Urinary retention is divided into acute and chronic urinary ...

  6. 2022年11月20日 · Phlebitis (fle-BYE-tis) means inflammation of a vein. Thrombophlebitis is due to one or more blood clots in a vein that cause inflammation. Thrombophlebitis usually occurs in leg veins, but it may ...