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Systole

Systole

(Science: physiology) The time at which ventricular contraction occurs.

systole is the contraction of the chambers of the heart, driving blood out of the chambers. The chamber most often discussed is the left ventricle. However, all four chambers of the heart undergo systole and diastole in a timed fashion so that blood is propelled forward through the cardiovascular system.


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Blood Pressure in Males and Females

The blood pressure is typically measured at systole and diastole, so in that sense it doesn't really matter if your (resting) heart rate is bit faster, the point of measure is that one moment when your heart beats. The control of blood pressure ...

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by biohazard
Wed Mar 04, 2009 6:57 am
 
Forum: Human Biology
Topic: Blood Pressure in Males and Females
Replies: 1
Views: 831

Relation between Blood Pressure and Pulse

... out of heart to lungs or systemic circulation, while in relaxation period, blood enter the heart. The time when the heart contracts is called systole, which is the highest blood pressure of an individual can reach. The time when the heart relaxes is called diastole, a period before the heart ...

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by DoctorStein
Fri Jul 11, 2008 8:58 am
 
Forum: Human Biology
Topic: Relation between Blood Pressure and Pulse
Replies: 4
Views: 2028

does heart ever rest?

If we see diastole it will look like a rest for the heart .the heart need it after systole for nutrition .Idon't mean it take long rest then it work again , but less than second that what heart needs for its continuation the diastolic period is longer than the systolic ...

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by raghda
Thu Nov 08, 2007 11:40 pm
 
Forum: Human Biology
Topic: does heart ever rest?
Replies: 3
Views: 1350

Re: Heart pressure

... and diastolic blood pressure) Note that working out the mean blood pressure is NOT the average... The heart spends much longer in diastole than in systole... NB. I have never heard of pulse pressure before... I would guess it is the same as systolic pressure if blood pressure is measured at the ...

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by Revenged
Fri Mar 16, 2007 6:24 pm
 
Forum: Human Biology
Topic: Heart pressure
Replies: 9
Views: 2137

EKG Graph

systole of the ventricles: QRS-complex and ST-segment. diastole: T-wave. You must remember: first we get atrial depolarisation in the P-wave then when we get a PR-segment, atria are contracting. Then depolarisation of the ...

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by sdekivit
Tue Mar 07, 2006 8:42 pm
 
Forum: Human Biology
Topic: EKG Graph
Replies: 2
Views: 2432
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