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Hypotension, also known as low blood pressure, is a cardiovascular condition characterized by abnormally reduced blood pressure. [1] Blood pressure is the force of blood pushing against the walls of the arteries as the heart pumps out blood [2] and is indicated by two numbers, the systolic blood pressure (the top number) and the diastolic blood pressure (the bottom number), which are the ...
Blood pressure varies over longer time periods (months to years) and this variability predicts adverse outcomes. [18] Blood pressure also changes in response to temperature, noise, emotional stress, consumption of food or liquid, dietary factors, physical activity, changes in posture (such as standing-up), drugs, and disease. [19]
Reference ranges for blood pressure Stage Approximate age Systolic Diastolic Range Typical example Range Typical example Infants 1 to 12 months: 75-100 [33] 85: 50–70 [33] 60 Toddlers 1 to 4 years: 80-110 [33] 95: 50–80 [33] 65 Preschoolers 3 to 5 years: 80-110 [33] 95: 50–80 [33] 65 School age 6 to 13 years: 85-120 [33] 100: 55–80 [33 ...
Normal. Less than 120 and. Less than 80. Elevated. 120-129 and. Less than 80. Stage 1 Hypertension. 130-139 or. 80-89. Stage 2 Hypertension. 140 or higher or. 90 or higher
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 ...
Pulse pressure is calculated as the difference between the systolic blood pressure and the diastolic blood pressure. [3] [4]The systemic pulse pressure is approximately proportional to stroke volume, or the amount of blood ejected from the left ventricle during systole (pump action) and inversely proportional to the compliance (similar to elasticity) of the aorta.
In medicine, the mean arterial pressure (MAP) is an average calculated blood pressure in an individual during a single cardiac cycle. [1] Although methods of estimating MAP vary, a common calculation is to take one-third of the pulse pressure (the difference between the systolic and diastolic pressures), and add that amount to the diastolic pressure.
BP >140/90 and low-risk for CVD: Lifestyle changes BP >140/90 and CVD risk factors or failed lifestyle changes: monotherapy with thiazide-type diuretic, ACEI/ARB, and/or CCB BP >160/100: Two from different classes: thiazide-type diuretic, ACEI/ARB, and/or CCB VA/DoD 2020 [9] General Age ≥60 Age ≥60 with diabetes <130/90 <150/90 <140/90