What's the difference between pressure and tonometer?

Pressure


Definition:

  • (n.) The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand.
  • (n.) A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization.
  • (n.) Affliction; distress; grievance.
  • (n.) Urgency; as, the pressure of business.
  • (n.) Impression; stamp; character impressed.
  • (n.) The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the upon a unit's area.

Example Sentences:

  • (1) Circuit weight training does not exacerbate resting or exercise blood pressure and may have beneficial effects.
  • (2) There was a weak relation between AER and both systolic and diastolic blood pressures.
  • (3) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
  • (4) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
  • (5) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
  • (6) It is concluded that acute renal denervation augments the pressure diuresis that follows carotid occlusion.
  • (7) Both lymph flow from cannulated pancreatico-duodenal lymphatics and intralymphatic pressure in the non-transected ones increased significantly.
  • (8) Calcium alginate dressings have been used in the treatment of pressure ulcers and leg ulcers.
  • (9) administration of the potent short-acting opioid, fentanyl, elicited inhibition of rhythmic spontaneous reflex increases in vesical pressure (VP) evoked by urinary bladder distension.
  • (10) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
  • (11) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
  • (12) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
  • (13) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
  • (14) These findings suggest that clonidine transdermal disks lower blood pressure in hypertensive patients, but produce local skin lesions and general side effects.
  • (15) Diltiazem monotherapy effectively lowered blood pressure in 60% of patients at 8 weeks.
  • (16) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
  • (17) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
  • (18) The 40 degrees C heating induced an increase in systolic, diastolic, average and pulse pressure at rectal temperature raised to 40 degrees C. Further growth of the body temperature was accompanied by a decrease in the above parameters.
  • (19) Nicardipine lowered systolic and diastolic blood pressure to normal, plasma aldosterone was reduced and serum potassium levels were increased.
  • (20) Subjects then rested supine until 10.00 h when blood was again taken, and blood pressure recorded.

Tonometer


Definition:

  • (n.) An instrument for determining the rate of vibrations in tones.
  • (n.) An apparatus for studying and registering the action of various fluids and drugs on the excised heart of lower animals.
  • (n.) An instrument for measuring tension, esp. that of the eyeball.

Example Sentences:

  • (1) The elimination rate of COHb in the blood was measured by a tonometer and the COHb saturation of the human blood under the exposure of 0.3% CO in the air for 30 minutes was estimated to be about 47%.
  • (2) Compared with the manometer, none of the tonometers accurately measured IOP over the range between 0 and 100 mm of Hg.
  • (3) We investigated the possibility of significant corneal trauma (as revealed by slit lamp observation of the fluorescein instilled eye), and massage effects following determination of intraocular pressure with the A. O. Non-Contact tonometer (NCT).
  • (4) A further application of a self-test tonometer of this kind, which is not affected by gravity, is space medicine.
  • (5) In conclusion, the good agreement between TP and MAN pressure readings is superior to the recently described agreement between TP and Goldmann tonometer readings.
  • (6) A masked, randomized design was used to compare the instrument with the Goldmann tonometer.
  • (7) This review discusses the basic principles of tonometry, the results of experimental and clinical studies, and the practical aspects related to the implementation and use of tonometers in patients in the critical care unit.
  • (8) Human peripheral blood neutrophils were exposed in vitro, in a tonometer, to two different fractions of cigarette smoke-designated particulate phase and vapor phase.
  • (9) Goldmann applanation tonometry was performed by the author and was accepted as a reference system for the measurements made by a technician using the Pneumatonograph, the GlaucoTest screening tonometer, the Halberg tonometer and the Schiotz tonometer.
  • (10) The measurement of intraocular pressure (IOP) was compared with and without soft contact lenses by a non-contact tonometer.
  • (11) Using an applanation tonometer, the diurnal pressure was recorded for 8 days and tonography performed daily at 10 a.m. TBP was performed at 9:30 a.m. on the second day.
  • (12) Corneal diameter measurement was determined with corneal templates, total axial length with standardized A-scan ultrasound, and intraocular pressure with a Tonopen II tonometer.
  • (13) A method to determine the P50 of whole blood is described using a modified American Optical reflectance oximeter, pump, and membrane tonometer, together with PO2, PCO2, and pH measurements in a standard blood gas machine.
  • (14) We present an indentation tonometer for use in measuring the softness or firmness of human, female breasts.
  • (15) Our results raised concerns regarding effective disinfection of tonometers after eye examinations.
  • (16) In the high pressure range, however, its readings deviate considerably from those of the tonometer.
  • (17) Changing the difference between oxygen partial pressure in the flushing solution and the oxygen partial pressure outside the tonometer tube did not influence the relative equilibration value and the equilibration time.
  • (18) If tonometers were kept moist the virus could be detected more than eight hours later.
  • (19) RBA with adrenaline: Directly after injection, PVoc was reduced by an average of 49%, the ocular perfusion and blood pressures were lowered by averages of 8.0 and 4.3 mmHg, respectively, and the intraocular pressure (Pio; hand-applanation tonometer) was elevated by 3.5 mmHg.
  • (20) Three American Optical Non-contact Tonometers were used to compare readings against each other.

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