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They don't pouch out in a dome shape. Instead, they make a widened spot in the blood vessel. This type of an aneurysm causes all sides of the artery to bulge. Mycotic aneurysms are caused by a ...
2023年3月31日 · Menopause is the end of a woman’s menstrual cycles. Learn more about the causes, symptoms, stages, diagnosis, treatment, and complications of menopause.
2023年6月30日 · Heart Arrhythmias. Heart Failure. Heart Valve Disease. Pericardial Disease. Cardiomyopathy (Heart Muscle Disease) Congenital Heart Disease. 4 min read. There are many types of heart disease, and ...
2024年2月13日 · Lamellar or zonular cataracts. This type typically shows up in younger children and in both eyes. The genes that cause them are passed from parent to child. These cataracts form fine white dots in ...
- 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.
2023年1月8日 · Charley horses are cramps that are caused by muscle spasms, involuntary contractions of one or more muscles. Learn more about the causes, risk factors, diagnosis, treatment, and prevention of ...
2024年4月9日 · Endometriosis is a condition where uterine-like tissue grows outside the uterus. It can cause painful cramps, heavy bleeding, fatigue, and other period-related symptoms. You also might have ...
