| 单词 | diastolic pressure |
| 例句 | Conversely, high diastolic pressure indicates a ballooning of the blood vessels, which may be due to the transfusion of too much fluid into the circulatory system. College Physics for AP Courses 2015-08-12T00:00:00Z Mean arterial blood pressure is calculated by adding 1/3 of the difference between the systolic and diastolic pressures to the diastolic pressure. Anatomy and Physiology 2013-06-19T00:00:00Z Still, elevated diastolic pressure is also a risk factor for disease. Reading a home blood pressure monitor 2022-04-12T04:00:00Z Blood pressure readings include two numbers: systolic pressure, measured when the heart beats, and diastolic pressure, measured when the heart rests. Blood pressure rose in 2020, especially in women, study says — a sign of pandemic’s hidden toll 2021-12-07T05:00:00Z The first number refers to systolic pressure as the heart contracts, and the second number refers to diastolic pressure as the heart rests between beats. The pandemic has your blood pressure rising? You’re not alone 2021-12-06T05:00:00Z Turbulence in the circulatory system is noisy and can sometimes be detected with a stethoscope, such as when measuring diastolic pressure in the upper arm's partially collapsed brachial artery. College Physics for AP Courses 2015-08-12T00:00:00Z Therefore, if the blood pressure is 110/80, the difference between systolic and diastolic pressure is 30. Anatomy and Physiology 2013-06-19T00:00:00Z These symptoms typically occur with a diastolic pressure below 60 millimeters of mercury, or mmHg. Low blood pressure could be a culprit in dementia, studies suggest 2019-10-02T04:00:00Z Their systolic pressure, the top number, fell by roughly 11 points, and their diastolic pressure dropped by 10 points. When We Eat, or Don’t Eat, May Be Critical for Health 2018-07-24T04:00:00Z The device then gets a reading for the heart's maximum output, or systolic pressure, before deflating the airbags to measure the resting output, or diastolic pressure. Apple patent reveals plans for Bluetooth blood pressure monitor 2018-06-23T04:00:00Z Blood pressure pulsates because of the pumping action of the heart, reaching a maximum, called systolic pressure, and a minimum, called diastolic pressure, with each heartbeat. College Physics for AP Courses 2015-08-12T00:00:00Z One third of this is 10, and when you add this to the diastolic pressure of 80, you arrive at a calculated mean arterial pressure of 90 mm Hg. Anatomy and Physiology 2013-06-19T00:00:00Z Doctors tend not to be concerned about low blood pressure until diastolic pressure falls below this level. Low blood pressure could be a culprit in dementia, studies suggest 2019-10-02T04:00:00Z From there, the device gets a measure of the heart’s maximum output, or its systolic pressure, before releasing to get a measure of the heart’s resting output, or the diastolic pressure. Apple drew up a patent for a new kind of blood pressure monitor 2018-06-07T04:00:00Z But the risk for abdominal aortic aneurysm, a swelling or rupture in the large artery that goes from the heart to the chest and abdomen, is higher when the diastolic pressure is elevated. Ask Well: Blood Pressure, the Top and Bottom Numbers 2015-12-09T05:00:00Z High diastolic pressure is also an indication that blood vessels are not dilating properly to pass blood through. College Physics for AP Courses 2015-08-12T00:00:00Z For example, an individual with a systolic pressure of 120 mm Hg and a diastolic pressure of 80 mm Hg would have a pulse pressure of 40 mmHg. Anatomy and Physiology 2013-06-19T00:00:00Z And my diastolic pressure, the lower number, was a rock-bottom 60 that evening. Blood Pressure, a Reading With a Habit of Straying 2015-11-30T05:00:00Z Systolic and diastolic pressures—the top and bottom numbers respectively—were grouped into three categories. When Can Knee Patients Hit the Road Again? 2015-09-21T04:00:00Z Pals who book an overnight visit, Ms. White said, often end up staying for three days and commenting about their improved diastolic pressure. Julie White’s Fairy Tale Cottage 2015-09-18T04:00:00Z Instead, they looked at diastolic pressure, the lower number, representing pressure on blood vessels when the heart relaxes between beats. Blood Pressure, the Mystery Number 2015-06-22T04:00:00Z In this graph, a blood pressure tracing is aligned to a measurement of systolic and diastolic pressures. Anatomy and Physiology 2013-06-19T00:00:00Z The American Heart Association defines normal blood pressure as systolic pressure of less than 120 mm Hg and diastolic pressure of less than 80 mm Hg. Following Blood Pressure Guidelines Saves Lives, Dollars: Study 2015-01-28T05:00:00Z Lower diastolic pressure was also associated with lower smaller volume in the putamen, a region associated with mental processing speed. When Can Knee Patients Hit the Road Again? 2015-09-21T04:00:00Z Systolic pressure measures the force of blood moving through arteries when the heart beats, or contracts, while diastolic pressure is the pressure in the arteries between heartbeats, according to the heart association. Watch Upper Number on Blood Pressure for Younger Adults: Study 2015-01-27T05:00:00Z But to differentiate by the color of the fonts and last name/first name versus first name/last name and the 35 ways that systolic and diastolic pressure are shown is not creativity. Bickering Among EHR Vendors, Payers and Providers Continues to Put Patient Safety at Risk 2014-08-26T04:00:00Z The point at which the last sound is heard is recorded as the patient’s diastolic pressure. Anatomy and Physiology 2013-06-19T00:00:00Z When blood pressure guidelines were first formulated in 1977, the committee only looked at diastolic pressure. Blood Pressure Guidelines Can Be Loosened, Panel Says 2013-12-18T16:00:02Z After six months, the average blood pressure reduction was 32/12 millimeters of mercury among the patients who received renal denervation, meaning a 32-point decrease in systolic and a 12-point decrease in diastolic pressure. Experimental Surgery Targets Stubbornly High Blood Pressure 2012-06-11T18:31:43Z The minimum pressure in the artery, the pressure at the end of diastole, is called the diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z This increases diastolic pressure, which increases coronary perfusion and oxygen delivery to the myocardium, and facilitates ejection of blood from the left ventricle. No Benefit for Routine Counterpulsation Found in CRISP AMI 2011-08-30T11:53:18Z The components of blood pressure include systolic pressure, which results from ventricular contraction, and diastolic pressure, which results from ventricular relaxation. Anatomy and Physiology 2013-06-19T00:00:00Z Among people under 50, it was the diastolic pressure, or second number, that was most predictive. Well: Rethinking 'Normal' Blood Pressure 2011-03-09T22:42:22Z They said drinking one less soft drink a day resulted in a 1.8 millimeters of mercury drop in systolic pressure and cut diastolic pressure by 1.1 millimeters of mercury. Fewer sugary drinks may lower blood pressure: study 2010-05-24T20:02:00Z The difference between the systolic and diastolic pressures is known as the pulse pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Sometimes the diastolic pressure is high and the systolic low and the pressure pulse small because of heart insufficiency; such a condition is often improved by digitalis. Disturbances of the Heart It was therefore concluded that experimentally in dogs the point where diastolic pressure should be read is at the tone change from clear to dull, not at the point where all sound disappears. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z In this group, a diastolic pressure of 100 or more was most predictive of poor health. Well: Rethinking 'Normal' Blood Pressure 2011-03-09T22:42:22Z The diastolic pressure is not very variable; it is not subject to the same influences which disturb the systolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The pressure then in these arterioles is practically the same as the diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z In these cases of cardiac weakness, with or without dropsy, unless the diastolic pressure is very high, digitalis is valuable. Disturbances of the Heart The diastolic pressure is determined by the tone in the arterioles and is under the control of the vasomotor sympathetic system. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Any agent which causes chronic irritation of the whole vasomotor system produces increase in the peripheral resistance with consequent rise in the diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Conversely, paralysis of the vasomotor system produces fall of diastolic pressure which, if long continued, results in death. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z There has been some dispute as to the place where the diastolic pressure should be read. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z At times with a low systolic pressure, but a relatively high diastolic pressure, nitroglycerin is valuable. Disturbances of the Heart The diastolic pressure then is of importance for the following reasons: 1. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z When all these factors are taken into consideration, it becomes apparent that the diastolic pressure is most important, if not the most important part of the pressure picture. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z It can only be determined by measuring both the systolic and diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The diastolic pressure in these cases can not be determined except approximately. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z In other words, a normal young adult with a systolic pressure of 120 should have a diastolic pressure of 80, and therefore a pulse pressure of 40. Disturbances of the Heart No one can seriously maintain that he can measure the diastolic pressure under all circumstances. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z They did not give diastolic pressures, so pulse pressures are not known. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Possibly the three exceptions were cases of high diastolic pressure in which the pulse pressure possible was not over 60 mm. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The diastolic pressure drops back nearly to normal and the increased pulse pressure is due almost entirely to the slight rise in the systolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z As a working rule it should be noted that the diastolic pressure is not as much influenced by physiologic factors or the varying conditions of normal life as is the systolic pressure. Disturbances of the Heart The diastolic pressure is not at all important under such conditions of acute cardiac breakdown. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z After the heart has rallied and the circulation is reestablished, then a careful determination of the diastolic pressure can be made and the prognosis will rest on what is found at the compensated stage. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The question of the value of the diastolic pressure reading in examinations for life insurance is not yet settled to the satisfaction of all medical directors. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Clinical determination of diastolic pressure fast drum 96 32. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z He believes that diastolic pressure may range anywhere from 60 mm. of mercury to 105, and the person still be normal. Disturbances of the Heart Now with the auscultatory method and the correct place to read the diastolic pressure the results of blood pressure estimations should begin to have some value for statistical data. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Up to the present there are no extensive series of life-expectancy tables in which hundreds of thousands of cases are analyzed from the diastolic pressure values. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z In the meantime we must be permitted to have the impression that the diastolic pressure has been much neglected. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Clinical determination of diastolic pressure slow drum 96 33. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z When, after some minutes of repose, he assumes the erect posture again, the systolic pressure will diminish and the diastolic pressure increase, and the pressure pulse shortens. Disturbances of the Heart Moreover, they do not record the diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z I can not help but feel that the diastolic pressure is the most important part of the blood pressure picture. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Persistent high diastolic pressure means increased work for the heart, which, if acting for a long time against the high peripheral resistance, must eventually hypertrophy. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z On the other hand, the pressure must not be released too rapidly, else one runs over the points of systolic and diastolic pressure and the readings are grossly inaccurate. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z In these conditions the diastolic pressure is also likely to be high. Disturbances of the Heart On the contrary, vasoconstriction causes a rise in diastolic pressure and a fall in pulse pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Others held that the diastolic pressure should be read at the fifth phase, the absence of all sound. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z In an irregular heart, especially in the cases due to myocardial disease, it is quite impossible to determine the true diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The only accurate method of determining both the systolic and diastolic pressure, but especially the diastolic, is by the so-called auscultatory method. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z He also found that a lower systolic pressure with a lower diastolic pressure is not a sign that the heart is weakening, but only that the visceral tone is growing less. Disturbances of the Heart In other words the systolic pressure is always increased to greater degree than the diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z It is characteristic of all cases of aortic insufficiency that the diastolic pressure is low, even as low as 30 mm. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Usually there is no difficulty in determining the diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z This is said to be the diastolic pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z On the other hand, when the diastolic pressure rises while the systolic falls, this is a sign of failing heart. Disturbances of the Heart The intense third tone suddenly becomes dull at the point of diastolic pressure and frequently the dull sound can be distinctly heard over the artery down to the zero of the scale. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The chief objects in view were to make clear to the physician the technique and the necessity for estimating both systolic and diastolic pressures. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z However, if there is a high systolic and a low diastolic pressure, vasodilators are often contraindicated. Disturbances of the Heart We know that when the pulse rate is constant, vasodilatation causes a fall in diastolic pressure and a rise in pulse pressure. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z A low systolic pressure and a low diastolic pressure may not cause any symptoms or give any cause for anxiety. Disturbances of the Heart When more or less active treatment does not soon lower the hypertension, and especially a high diastolic pressure, the prognosis is bad. Disturbances of the Heart In aortic regurgitation this low diastolic pressure is constantly in evidence, and, if the systolic pressure is not below normal, does not signify that the circulation is insufficient. Disturbances of the Heart It should be remembered that just before death venous pressure is likely to rise, and this may raise the diastolic pressure. Disturbances of the Heart The diastolic pressure has been estimated to be about 35 to 45 mm. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z If there is a low systolic pressure and a high diastolic pressure, this shows impairment of the heart, whether or not any other organic lesion is present. Disturbances of the Heart The strenuous measures that should he used to lower a high diastolic pressure are contraindicated when the diastolic pressure is already low, even if the systolic pressure 1s high. Disturbances of the Heart Hence the relationship of the systolic to the diastolic pressure in pneumonia is of very great importance in deciding on the proper treatment. Disturbances of the Heart He also takes the systolic and diastolic pressures at the same time. Disturbances of the Heart Thus the diastolic pressure may be read off on the dial scale by watching the fling of the hand and with some practice one might acquire considerable accuracy. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Generally speaking, a low systolic pressure shows a weak acting heart muscle, and a very low diastolic pressure shows a dilated condition of the arterioles. Disturbances of the Heart On the other hand, a high systolic pressure without a high diastolic pressure should not be rapidly lowered, else depression will be caused. Disturbances of the Heart The diastolic pressure will often range from 10 to 15 mm. below the reading obtained by other methods. Disturbances of the Heart When the diastolic pressure is high, for relative subsequent readings, it is much better to read the diastolic at the beginning of the fifth phase. Disturbances of the Heart It enables us to judge of the volume output, for pulse pressure which is only determined by measuring both systolic and diastolic pressure, is such an index. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z It may be stated that in determining the systolic and diastolic pressure in the peripheral arteries, the ordinary stethoscope is as efficient as any more elaborate auscultatory apparatus. Disturbances of the Heart However, for general use, unless one is particularly expert, it is better to read the diastolic pressure at the beginning of the fifth phase. Disturbances of the Heart It is urged by many observers that the proper reading of the diastolic pressure is always at the beginning of the fourth phase. Disturbances of the Heart Therefore it is easy to understand that a high diastolic pressure is of serious import to the heart; a diastolic pressure over 100 is significant of trouble, and over 110 is a menace. Disturbances of the Heart The gradual increase of diastolic pressure means harder work for the heart to supply the parts of the body with blood. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z It has been suggested that the diastolic pressure be taken at the point where the sound is first heard on gradually raising the pressure in the armlet. Disturbances of the Heart With normal heart and arteries, exertion and exercise should increase the systolic pressure, and generally somewhat increase the diastolic pressure. Disturbances of the Heart The diastolic pressure is not much affected by food. Disturbances of the Heart The systolic pressure varied from 91 mm. in the fourth year to 105.5 in the fourteenth year, while the diastolic pressure remained almost at a uniform level. Disturbances of the Heart Decreased diastolic pressure goes hand in hand with vasomotor relaxation, as in fevers, etc. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z By taking the systolic and diastolic pressures, the difference between the two being the pressure pulse, we learn to interpret the pressure pulse reading. Disturbances of the Heart MacKenzie believes that a diastolic pressure over 100 under the age of 40 is abnormal, and anything over the 110 mark above that age is certainly abnormal. Disturbances of the Heart He found that altitude seemed to decrease high systolic and diastolic pressures, while it even elevated those which were below normal, and caused these patients to feel better. Disturbances of the Heart Of course, if the difference between the systolic and the diastolic pressure is diminished to the vanishing point, the patient cannot stand it, and dies. Disturbances of the Heart When the systolic and diastolic pressures approach, heart failure is imminent either when pressure picture is high or low. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z If there is a high systolic pressure and a correspondingly high diastolic pressure, the balance between the vessels and the heart is compensated as long as the heart muscle is sufficient. Disturbances of the Heart If such patients have the systolic blood pressure raised even a small amount, or if the diastolic pressure, which is very low, is raised even a small amount, they immediately feel better. Disturbances of the Heart A high diastolic pressure, one above 105, certainly must receive immediate attention, and a diastolic pressure of 110 must be lowered, if possible. Disturbances of the Heart This rise in diastolic pressure is probably caused by dyspnea. Disturbances of the Heart In a rapidly beating heart the diastole is short and the diastolic pressure rises. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z In other words, if the diastolic pressure is lowered the heart will be relieved. Disturbances of the Heart As he points out, there is often a very great increase in the systolic blood pressure at the menopause, while the diastolic pressure may not be high. Disturbances of the Heart He found that in seriously ill patients this high diastolic pressure is of bad prognosis. Disturbances of the Heart |
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