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35094-2. Blood pressure (BP) is the pressure of circulating blood against the walls of blood vessels. Most of this pressure results from the heart pumping blood through the circulatory system. When used without qualification, the term "blood pressure" refers to the pressure in a brachial artery, where it is most commonly measured.
The five Korotkoff sounds. There are five Korotkoff sounds: [7] Phase I: The first appearance of faint, repetitive, clear tapping sounds which gradually increase in intensity for at least two consecutive beats is the systolic blood pressure. Phase II: A brief period may follow during which the sounds soften and acquire a swishing quality.
A minimum systolic value can be roughly estimated by palpation, most often used in emergency situations, but should be used with caution. [10] It has been estimated that, using 50% percentiles, carotid, femoral and radial pulses are present in patients with a systolic blood pressure > 70 mmHg, carotid and femoral pulses alone in patients with systolic blood pressure of > 50 mmHg, and only a ...
Dr. Sekkarie and her research team looked at a group of 2,600 kids between the ages of 8 and 19. They found that 8.7% of these kids had elevated blood pressure and 5.4% of them had what would be ...
Blood pressure rises with age in childhood and, in children, hypertension is defined as an average systolic or diastolic blood pressure on three or more occasions equal or higher than the 95th percentile appropriate for the sex, age and height of the child.
Your blood pressure reading features two parts: the systolic blood pressure, which is the top number, and the diastolic blood pressure, or the bottom number. Your systolic blood pressure measures ...
Blood pressure is usually written with the systolic pressure expressed over the diastolic pressure or separated by a slash, for example, 120/80 mmHg. This clinical notation is not a mathematical figure for a fraction or ratio, nor a display of a numerator over a denominator, rather it is a medical notation showing the two clinically significant ...
The variation in pressure in the left ventricle (blue line) and the aorta (red line) over two cardiac cycles ("heart beats"), showing the definitions of systolic and diastolic pressure. Blood pressure is classified as normal blood pressure, prehypertension, hypertension (stages I and II), and isolated systolic hypertension, which is a common ...
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