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In aortic regurgitation, the aortic valve insufficiency results in the backward flow of blood (regurgitation) that is ejected during systole, and its return to the left ventricle during diastole. This increases the systolic blood pressure, and decreases the diastolic blood pressure, leading to a widened pulse pressure. [9] [3]
Nitroprusside or phenylephrine may be used in those with decompensated heart failure depending on the blood pressure. [1] [3] Aortic stenosis is the most common valvular heart disease in the developed world. [4] It affects about 2% of people who are over 65 years of age. [1] Estimated rates were not known in most of the developing world as of ...
Aortic regurgitation (AR), also known as aortic insufficiency (AI), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. As a consequence, the cardiac muscle is forced to work harder than normal.
Other signs provide evidence for specific causes of pressure overload. Hypertension is diagnosed by sphygmomanometry. A narrow pulse pressure is a sign of aortic stenosis. The chest x-ray may show pulmonary hyperaemia in the case of pulmonary hypertension, and pulmonary oligemia in pulmonary stenosis.
Pulsus bisferiens, also known as biphasic pulse, is an aortic waveform with two peaks per cardiac cycle, a small one followed by a strong and broad one. [1] It is a sign of problems with the aorta, including aortic stenosis and aortic regurgitation, as well as hypertrophic cardiomyopathy causing subaortic stenosis.
Medical signs of aortic regurgitation include increased pulse pressure by increased systolic and decreased diastolic blood pressure, [16] but these findings may not be significant if acute. [15] The patient may have a diastolic decrescendo murmur best heard at left sternal border, water hammer pulse , Austin Flint murmur , and a displaced apex ...
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