High pulse pressure

Introduction Blood pressure refers to the pressure on the side walls of blood vessels when blood flows. Blood pressure is divided into systolic and diastolic blood pressure, and the difference between systolic blood pressure and diastolic blood pressure is called "pulse pressure difference". For example, the systolic blood pressure is 120 mm Hg, the diastolic blood pressure is 80 mm Hg, and the pulse pressure difference is 40 mm Hg. Under normal circumstances, the pulse pressure difference of normal people is 20~60 mmHg (2.67~8.0Kpa). If the blood pressure is greater than 60 mmHg, the pulse pressure difference is too large, and if it is less than 20 mmHg, it is too small.

Cause

It is generally believed that aortic and other large atherosclerosis, decreased elasticity and extensibility of the arterial wall, are caused by increased blood pressure in the simple systolic phase. The stiffness of the aorta causes the pressure wave to be reflected faster, causing the superposition of the reflected waves to advance to the systolic phase, resulting in a higher systolic pressure wave. When diastolic, the aorta does not have enough elastic retraction to maintain diastolic blood pressure, which causes diastolic blood pressure to decrease, and the pulse pressure difference increases. Common diseases are: essential hypertension, aortic regurgitation, aortic sclerosis, hyperthyroidism, severe anemia, rheumatic heart disease, syphilitic heart disease, partial congenital heart disease and hypertensive heart disease, bacteria Endocarditis and the like. Excessive pulse pressure difference is seen in arterial insufficiency, aortic sclerosis, hyperthyroidism, severe anemia, rheumatic heart disease, partial congenital heart disease and hypertensive heart disease.

(1) suffering from hypertension and arteriosclerosis, resulting in weakened arterial wall elasticity, increased systolic blood pressure, and decreased diastolic blood pressure.

(2) Long-term suffering from high blood pressure, causing myocardial overload, causing heart enlargement or insufficiency of the valve.

(3) suffering from hyperthyroidism (hyperthyroidism) or severe anemia.

an examination

Related inspection

blood pressure

Under normal circumstances, the pulse pressure difference of normal people is 20~60 mmHg (2.67~8.0Kpa). If the blood pressure is greater than 60 mmHg, the pulse pressure difference is too large, and if it is less than 20 mmHg, it is too small.

Usually, people often pay attention to the level of blood pressure when measuring blood pressure, and rarely care about the size of pulse pressure difference. It is not known that the magnitude of pulse pressure difference has important clinical significance. Therefore, it is best to go to the hospital for a comprehensive physical examination to see if there is any problem. For this treatment, it is mainly for treatment.

Indirect measurements are used for the measurement of human arterial blood pressure, usually using the assay invented by the Russian physician N. Korotkov. The device consists of an inflatable cuff and a pressure gauge connected to it, and the sleeve is tied to the subject. The upper arm, then pumping to block the blood flow of the brachial artery, slowly release the air inside the cuff, using the stethoscope placed on the radial artery can be heard when the cuff pressure is just less than the brachial blood pressure, the blood flow is over the flattened The vibrational sound caused by turbulence in the arteries (Krottkov, referred to as Coriolis sound) is used to determine the highest pressure during systole, called systolic blood pressure. Continue to deflate, the Coriolis sound increases, and the blood pressure reading measured when the sound becomes low and long is equivalent to the lowest blood pressure at the time of diastole, called diastolic blood pressure, when the deflation into the cuff is lower than the diastolic pressure. At the same time, the blood flow smoothly through the unobstructed blood vessels, and the Coriolis sound disappears.

Because the specific gravity of mercury is too large, it is difficult for the mercury manometer to accurately and quickly reflect the instantaneous changes of blood pressure in each phase of the heartbeat. Therefore, various sensitive membrane manometers can be used to accurately measure the contraction and diastolic blood pressure. In recent years, various transducers have been used in combination with an oscilloscope to more sensitively measure blood pressure.

National authorities issued: normal blood pressure: systolic blood pressure <130 mmHg, diastolic blood pressure <85 mmHg ideal blood pressure: systolic blood pressure <120 mmHg, diastolic blood pressure <80 mmHg

Differential diagnosis

Differential diagnosis of large pulse pressure difference:

Pulse pressure widening: Pulse pressure difference is the difference between systolic blood pressure and diastolic blood pressure. The normal range is 20-60 mmHg. Generally, it is larger than 60 mmHg, which is called pulse pressure difference increase, and less than 20 mmHg is called pulse pressure difference reduction.

Under normal circumstances, the pulse pressure difference of normal people is 20~60 mmHg (2.67~8.0Kpa). If the blood pressure is greater than 60 mmHg, the pulse pressure difference is too large, and if it is less than 20 mmHg, it is too small.

Usually, people often pay attention to the level of blood pressure when measuring blood pressure, and rarely care about the size of pulse pressure difference. It is not known that the magnitude of pulse pressure difference has important clinical significance. Therefore, it is best to go to the hospital for a comprehensive physical examination to see if there is any problem. For this treatment, it is mainly for treatment.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.