| 释义 |
hypertension|haɪpəˈtɛnʃən|
[f. hyper- 5 + tension n.]
1. Med. Abnormally or excessively high ‘tension’ or pressure of a bodily fluid.
a. Of arterial blood; essential hypertension, hypertension that has no apparent cause and cannot be explained as a consequence or symptom of some other lesion.
1893Brit. Med. Jrnl. 4 Nov. 997/1 ‘Hypertension’ and ‘hypotension’ are regarded not as indications, but as mala in se. 1927Physiol. Rev. VII. 464 More recent writers have coined the name ‘essential hypertension’. 1955G. Pickering High Blood Pressure vi. 130 By current practice which takes not a very high figure, such as 150/100, as the lower limit of hypertension, essential hypertension becomes by far the commonest form of hypertension. 1957New Scientist 9 May 23/1 Hypertension causes one in every four deaths in the United States. 1966Wright & Symmers Systemic Path. I. iii. 106/1 The hypertension sometimes found in patients with hyperthyroidism is usually limited to elevation of the systolic pressure (systolic hypertension).
b. Of the intra-ocular fluid.
1918R. H. Elliot Glaucoma: Textbk. for Student v. 303 The treatment of established glaucoma. In these cases the hypertension is commonly associated with evidence of ocular congestion. 1969Duke-Elder & Jay in S. Duke-Elder Syst. Ophthalm. XI. ix. 630 In some cases the rise in the intra-ocular pressure has been slight and transient, to some extent possibly because the formation of aqueous may have been inhibited by the hypertension itself in a physiological compensatory mechanism.
2. A state of great (nervous or emotional) tension.
1936Times Educ. Suppl. 28 Nov. 429/3 In every such case the nervous instability and hypertension should be treated by relaxation and psychological readjustment. 1947Year Bk. Arts in N.Z. III. 152 Mind burst out... Man's understanding tangled, ripped. Extremes are too much with us and the hypertensions. 1953J. Masters Lotus & Wind vii. 101 The opportunity for which she had been tensely waiting was upon her. In a few minutes, as this hypertension and ruthlessness faded in her, it would be gone. 1972D. Haston In High Places xii. 140 Flying out of Katmandu, I felt really pleased at having a chance to come back so quickly... There was friendliness all around; urgency to do things didn't seem to exist. None of the hypertensions of the West. A relaxing atmosphere. |