搜尋結果
Folic acid is used for preventing and treating low blood levels of folate (folate deficiency) and high blood levels of homocysteine (hyperhomocysteinemia). People who are pregnant or might...
2023年11月18日 · About 1% of your blood is made up of WBCs, which are divided into five types: Neutrophils . The most common type of WBCs, these cells protect your body from infection by killing and digesting...
2023年6月21日 · Clindamycin is an antibiotic which works by stopping the growth of bacteria. How to use Clindamycin Phosphate Gel. Use this medication only on the skin. Clean and dry the affected area first....
- (88)
- 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8月3日 · Anemia is defined as a low number of red blood cells. In a routine blood test, anemia is reported as a low hemoglobin or hematocrit. Hemoglobin is the main protein in your red blood cells. It...
2023年9月19日 · They help your body's immune system fight cancer, viruses, and bacteria (antigens). They're dispersed throughout your body, but once an organism or virus invades, they immediately gather to fight...
Specifically, these arteries send blood straight to your heart, thus maintaining your myocardial functions and keeping your body in a state of equilibrium. What Are Coronary Arteries? Your coronary...
&ck=B461985528B426D845BEC33DE382057F&idpp=rc&idpview=singleimage&form=rc2idp "%E9%9B%9E%E6%8E%92%E5%A6%B9%E6%89%9B%E4%B8%8D%E4%BD%8F1")
&ck=F40CB07705C17FBA254762DEC8F1B8DE&idpp=rc&idpview=singleimage&form=rc2idp "%E9%9B%9E%E6%8E%92%E5%A6%B9%E6%89%9B%E4%B8%8D%E4%BD%8F2")
&ck=EDE0B091D0EC76CA0362FAED8361F029&idpp=rc&idpview=singleimage&form=rc2idp "%E9%9B%9E%E6%8E%92%E5%A6%B9%E6%89%9B%E4%B8%8D%E4%BD%8F3")
&ck=E080BA30404F416CECD64099EFFF4B4D&idpp=rc&idpview=singleimage&form=rc2idp "%E9%9B%9E%E6%8E%92%E5%A6%B9%E6%89%9B%E4%B8%8D%E4%BD%8F4")
&ck=199F99FF33A263B2DB04EFF0E82E1350&idpp=rc&idpview=singleimage&form=rc2idp "%E9%9B%9E%E6%8E%92%E5%A6%B9%E6%89%9B%E4%B8%8D%E4%BD%8F5")
