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2023年9月21日 · Secondary causes of insomnia include: Mental health issues like depression and anxiety. Medications for colds , allergies, depression, high blood pressure, and asthma. Pain or discomfort at night ...
2024年3月22日 · Liver cancer. The leading cause of liver cancer is chronic hepatitis B, and liver cancer is one of the leading causes of death in people with chronic hepatitis B. Liver failure. This is when your ...
- Pathophysiology
- Significance
- Signs and symptoms
- Overview
- Prognosis
A blood pressure reading appears as two numbers. The first and higher of the two is a measure of systolic pressure, or the pressure in the arteries when the heart beats and fills them with blood. The second number measures diastolic pressure, or the pressure in the arteries when the heart rests between beats.
Optimal blood pressure is less than 120/80 (systolic/diastolic). In healthy people, low blood pressure without any symptoms is not usually a concern and does not need to be treated. But low blood pressure can be a sign of an underlying problem -- especially in the elderly -- where it may cause inadequate blood flow to the heart, brain, and other vi...
Chronic low blood pressure with no symptoms is almost never serious. But health problems can occur when blood pressure drops suddenly and the brain is deprived of an adequate blood supply. This can lead to dizziness or lightheadedness. Sudden drops in blood pressure most commonly occur in someone who's rising from a lying down or sitting position t...
Postural hypotension is considered a failure of the cardiovascular system or nervous system to react appropriately to sudden changes. Normally, when you stand up, some blood pools in your lower extremities. Uncorrected, this would cause your blood pressure to fall. But your body normally compensates by sending messages to your heart to beat faster ...
The risk of both low and high blood pressure normally increases with age due in part to normal changes during aging. In addition, blood flow to the heart muscle and the brain declines with age, often as a result of plaque buildup in blood vessels. An estimated 10% to 20% of people over age 65 have postural hypotension.
2024年1月9日 · People with asthma have symptoms when the airways tighten, inflame, or fill with mucus. There are three major signs of asthma: Airway blockage. When you breathe as usual, the bands of muscle ...
2023年11月20日 · Symptoms that you're allergic to a bug's sting include: Hives, itching, and swelling in places other than the sting site. Stomach cramps, vomiting, or severe nausea or diarrhea. Tightness in your ...
2023年10月24日 · When your kidneys are damaged, waste products and fluid can build up in your body. That can cause swelling in your ankles, nausea, weakness, poor sleep, and shortness of breath. Without treatment ...
2022年1月24日 · Rheumatoid arthritis (RA) and osteoarthritis (OA) are two common types of arthritis. Both cause pain and joint damage, but they’re very different diseases. RA is an autoimmune disease. It ...
