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systolic    
a. 心脏收缩的

心脏收缩的

systolic
adj 1: of or relating to a systole or happening during a systole

Systolic \Sys*tol"ic\, a.
Of or pertaining to systole, or contraction; contracting;
esp., relating to the systole of the heart; as, systolic
murmur. --Dunglison.
[1913 Webster]


Systole \Sys"to*le\, n. [NL., fr. Gr. ?, fr. ? to contract; sy`n
with ? to set, place.]
1. (Gram.) The shortening of the long syllable.
[1913 Webster]

2. (Physiol. & Biol.) The contraction of the heart and
arteries by which the blood is forced onward and the
circulation kept up; also, the contraction of a
rhythmically pulsating contractile vacuole; -- correlative
to {diastole}. -- {Sys*tol"ic}, a.
[Webster 1913 Suppl.]


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  • Blood pressure chart: What your reading means - Mayo Clinic
    Top number, called systolic pressure The top number measures the pressure in the arteries when the heart beats Bottom number, called diastolic pressure The bottom number measures the pressure in the arteries between heartbeats The American College of Cardiology and the American Heart Association divide blood pressure into four general categories Ideal blood pressure is categorized as
  • Pulse pressure: An indicator of heart health? - Mayo Clinic
    Pulse pressure is determined from the two numbers of a blood pressure reading Blood pressure is measured in millimeters of mercury (mm Hg) The top number is called systolic pressure This is the pressure in the arteries when the heart beats The bottom number is called diastolic pressure This is pressure in the arteries between heartbeats
  • Isolated systolic hypertension: A health concern? - Mayo Clinic
    Isolated systolic hypertension happens when the top blood pressure number is 130 mm Hg or higher and the bottom number is less than 80 mm Hg Isolated systolic hypertension is the most common type of high blood pressure, especially in older age Isolated systolic hypertension can be caused by conditions such as: Artery stiffness
  • Low blood pressure (hypotension) - Symptoms and causes
    A blood pressure reading has two numbers: Top number, called systolic pressure The top number is the pressure in the arteries when the heart beats Bottom number, called diastolic pressure The bottom number is the pressure in the arteries when the heart rests between beats The American Heart Association classifies healthy blood pressure as
  • Heart murmurs - Diagnosis treatment - Mayo Clinic
    A murmur that occurs when blood leaves the heart (systolic murmur) generally is an innocent heart murmur One that happens when the heart fills with blood (diastolic murmur) or throughout the heartbeat (continuous murmur) may signal a heart problem
  • Heart murmurs - Symptoms causes - Mayo Clinic
    An irregular heart sound may be harmless or worrisome Know the causes of heart murmurs and when treatment is needed
  • 10 ways to control high blood pressure without medication
    If you have high blood pressure, you may wonder if you need to take medicine to treat it But lifestyle changes play a vital role in treating high blood pressure Controlling blood pressure with a healthy lifestyle might prevent, delay or lessen the need for medicine Here are 10 lifestyle changes
  • Heart failure - Symptoms and causes - Mayo Clinic
    Heart failure occurs when the heart muscle doesn't pump blood as well as it should Blood often backs up and causes fluid to build up in the lungs and in the legs The fluid buildup can cause shortness of breath and swelling of the legs and feet Poor blood flow may cause the skin to look blue or gray Depending on your skin color, these color changes may be harder or easier to see Some types
  • High blood pressure (hypertension) - Symptoms causes - Mayo Clinic
    The higher pressure is known as the systolic blood pressure The lower pressure occurs during the relaxation of the heart's left ventricle This lower pressure is referred to as the diastolic blood pressure Hypertension is a very common condition affecting up to 40% of adults
  • Ejection fraction: An important heart test - Mayo Clinic
    Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes When the heart squeezes, it's called a contraction Ejection fraction is just one of many tests your healthcare professional may use to see how your heart works The heart squeezes and relaxes When the heart squeezes, it pumps out — or ejects — blood from the two lower heart chambers





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