Diastolic pressure this is the pressure of the blood when your heart is resting between beats. To determine whether you have hypertension a medical professional will take a blood pressure reading.
Hypotension Wikipedia
Blood pressure measurement body position. How you prepare for the test the position of your arm and other factors can change a blood pressure reading by 10 or more. If youre curious in which position sitting lying down or standing blood pressure is normally the highest its likely standing. Although blood pressure bp differences from supine to sitting position have long been recognized limited data are available on other commonly used body positions. If the arm is allowed to hang down straight the bp may be falsely diminished by as much as 12 mm hg. When the blood pressure bp is measured the arm should be at the level of the heart. World health organization who guidelines recommend that the blood pressure bp should be routinely measured in sitting or supine followed by standing position providing that the arm of the patient is placed at the level of the right atrium in each position.
So the blood pressure value that exists in most guidelines for example jnc 8 is measured in the sitting position. Below its true value. Your blood pressure range is measured in millimetres of mercury mmhg and is recorded as systolic and diastolic figures. Tips to measure your blood pressure correctly. Systolic pressure is approximately 88 mmhg in the lying down position versus the sitting position but only when the person taking the measurement positions the patients arm so that it is at the. Optimizing observer performance of clinic blood pressure measurement.
Systolic pressure this is the pressure of the blood when your heart pushes it out. A position statement from the lancet commission on hypertension group padwal et al. But even if your numbers are high your doctor may encourage you to come in and retake your blood pressure in a few weeks or measure it every day at home to verify that its true hypertension and not the result of some other issue affecting you. The aim of our study was to test the influence of body and arm position on bp measurement in diabetic patients. High blood pressure bp is a highly prevalent modifiable cause of cardiovascular disease stroke and death. Hence the value we are intenting to measure is the one with the patient is sitting position back supported legs uncrossed and upper arm bared.
That could be enough to hide high blood pressure start you on a drug you dont really need or lead your doctor to incorrectly adjust your medications. We performed a cross sectional study to compare bp values obtained in supine sitting and fowlers positions in essential hypertensive subjects. In other words in the sitting and standing positions the arm should be extended out straight and should be about 2 3 inches below the shoulder to approximate the level of the heart.
Gallery of Blood Pressure Measurement Body Position
