What's the difference between persistent and unfortunate?

Persistent


Definition:

  • (a.) Inclined to persist; having staying qualities; tenacious of position or purpose.
  • (a.) Remaining beyond the period when parts of the same kind sometimes fall off or are absorbed; permanent; as, persistent teeth or gills; a persistent calyx; -- opposed to deciduous, and caducous.

Example Sentences:

  • (1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
  • (2) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
  • (3) We considered the days of the disease and the persistence of symptoms since the admission as peculiar parameters between the two groups.
  • (4) The remaining case had a calibre persistent submucosal artery within the caecum that was found incidentally in a resection specimen.
  • (5) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
  • (6) Since the advance and return of sperm inside the tubes could facilitate the interaction of sperm with secretions participating in its maturation, the persistent infertility after vasectomy could be related to the contractile alteration that follows the excessive tubal distention.
  • (7) An experimental Anaplasma marginale infection was induced in a splenectomized mule deer (Odocoileus hemionus hemionus) which persisted subclinically at least 376 days as detected by subinoculation into susceptible cattle.
  • (8) TR was classified as follows: severe (massive systolic opacification and persistence of the microbubbles in the IVC for at least 20 seconds); moderate (moderate systolic opacification lasting less than 20 seconds); mild (slight systolic opacification lasting less than 10 seconds); insignificant TR (sporadic appearance of the contrast medium into the IVC).
  • (9) They had learned through hard experience what Frederick Douglass once taught -- that freedom is not given, it must be won, through struggle and discipline, persistence and faith.
  • (10) Short incubations with heparin (5 min) caused a release of the enzyme into the media, while longer incubations caused a 2-8-fold increase in net lipoprotein lipase secretion which was maximal after 2-16 h depending on cell type, and persisted for 24 h. The effect of heparin was dose-dependent and specific (it was not duplicated by other glycosaminoglycans).
  • (11) The first patient, an 82-year-old woman, developed a WPW syndrome suggesting posterior right ventricular preexcitation, a pattern which persisted for four months until her death.
  • (12) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
  • (13) Channel activation persists through the process of platelet isolation and washing and is manifested in higher measured values of [Ca2+]cyt and [Ca2+]dt in the "resting state."
  • (14) Gastro-intestinal surgery is only indicated if haemorrhage persists after a period of observation.
  • (15) Psychiatric morbidity is further increased when adjuvant chemotherapy is used and when treatment results in persistent arm pain and swelling.
  • (16) A newborn presenting with persistent umbilical stump bleeding should be screened for factor XIII deficiency when routine coagulation tests prove normal.
  • (17) This competence persists over the eight measurement points.
  • (18) To investigate the possibility that an abnormality of gastric emptying exists in duodenal ulcer and to determine if such an abnormality persists after ulcer healing, scintigraphic gastric emptying measurements were undertaken in 16 duodenal ulcer patients before, during, and after therapy with cimetidine; in 12 patients with pernicious anemia, and in 12 control subjects.
  • (19) Thus it appears that a portion of the adaptation to prolonged and intense endurance training that is responsible for the higher lactate threshold in the trained state persists for a long time (greater than 85 days) after training is stopped.
  • (20) persisted and was more abnormal in 23% of the cases including specific tracings in 37%.

Unfortunate


Definition:

  • (a.) Not fortunate; unsuccessful; not prosperous; unlucky; attended with misfortune; unhappy; as, an unfortunate adventure; an unfortunate man; an unfortunate commander; unfortunate business.
  • (n.) An unfortunate person.

Example Sentences:

  • (1) Unfortunately, due to confidentiality clauses that have been imposed on us by the Department of Immigration and Border Protection, we are unable to provide our full names and … titles … However, we believe the evidence that will be submitted will validate the statements that we are making in this submission.” The submission detailed specific allegations – including names and dates – of sexual abuse of child detainees, violence and bullying of children, suicide attempts by children and medical neglect.
  • (2) Unfortunately more than three quantitative data cannot be judged simultaneously without help of mathematical methods.
  • (3) Unfortunately, peanut reaction is not outgrown and remains a life-long threat.
  • (4) Unfortunately for the governor, he could win both states and still face the overwhelming likelihood of failure if he doesn't take Ohio, where the poll found Obama out front 51-43.
  • (5) Unfortunately, under the Faustian pact we have witnessed a double whammy: fiscal policy being used to reduce government spending when the economy is already depressed.
  • (6) But Syrians have borne the brunt of the hatred because of the unfortunate way they became associated with Morsi in the dying days of his presidency.
  • (7) Unfortunately, it does not contain a population of undifferentiated stem cells to supply the necessary healthy neurons.
  • (8) Father Vincent Twomey said that given the damage done by Smyth and the repercussions of his actions, "one way or another the cardinal has unfortunately lost his moral credibility".
  • (9) Unfortunately, both the malleus and the stapes have to be in good position to use this type of reconstruction making it much less common than other forms of ossiculoplasty.
  • (10) And of course, as the articles are shared far and wide across the apparently much-hated web, they become gospel to those who read them and unfortunately become quasi-religious texts to musicians of all stripes who blame the internet for everything that is wrong with their careers.
  • (11) Unfortunately, it probably won’t happen with many countries … But if we can have a great relationship with Russia, and China, and all countries, I’m all for that, that would be a tremendous asset.
  • (12) Unfortunately, transitional cell carcinoma may involve other regions of the prostate that are inaccessible by cystoscopy.
  • (13) Actually, I think these are worthy subjects for discussion but, unfortunately, we don't have the time.
  • (14) Unfortunately it was the Arab spring that failed , and the rise of Islamic State was one of the results.
  • (15) Since doctors are generally accepted as experts on health matters, their apparent undue pessimism about cancer prognosis is unfortunate.
  • (16) Unfortunately, few reflections concern the definition of this criterion, which often is little discussed in the other divisions of the pure and applied chemistry.
  • (17) Unfortunately for New Mexico State, and fortunately for everyone who had work the next day, there would be no double overtime.
  • (18) Unfortunately, despite being a much better tolerated curative procedure involving a very brief hospitalization, the use of high-energy direct current (DC) shocks is associated with a low but significant incidence of serious complications including cardiac perforation, hypotension, coronary artery spasm, and late occurrence of ventricular fibrillation.
  • (19) Unfortunately numerous methodological approaches have not been able to avoid the fact that the real value of such an early diagnosis is not always known.
  • (20) Unfortunately, the risk factors section in the pregnancy surveillance booklet does not receive sufficient medical documentation.