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Topic: Fick principle

	Fick method Information from Drugs.com
		in 1870 A. Fick proposed that cardiac output can be calculated as the quotient of total body oxygen consumption divided by the difference in oxygen content of arterial blood and mixed venous blood.
		The indirect Fick method employs a variety of means to avoid measuring mixed venous oxygen content.
		By extension, the Fick method may be used to measure cardiac output or organ blood flow with any indicator substance for which the rate of uptake or consumption, and the arterial and mixed venous concentrations, can be measured, provided the indicator does not enter or leave the system by any route not being measured.
	www.drugs.com /dict/fick_method.html (237 words)

	DICTIONARY - Online Information article about DICTIONARY
		In so far as the latter is strictly lexicographic—deals with words as words, and not with the things they denote—it should be made after the model of the former, and is defective to the extent in which it deviates from it.
		The modern method of editing the material thus accumulated—the actual work of compilation—also is characterized by the application of the principle of the division of labour.
		The most complete exemplification of these principles and methods is the Oxford New English Dictionary, on historical principles, founded mainly on materials collected by the Philological Society.
	encyclopedia.jrank.org /DEM_DIO/DICTIONARY.html (7283 words)

	Sect. 7, Ch. 4: Measuring Renal Blood Flow: Fick Principle (Site not responding. Last check: 2007-10-10)
		For this method to provide accurate measurements certain conditions must be satisfied: (1) the concentration of the substance in the blood plasma must be maintained constant; (2) the measured substance must not have an affect on blood flow; (3) it must not be sequestered, manufactured, or metabolized by the kidney.
		Any substance that satisfies these conditions can be used to measure renal blood flow by the Fick method.
		Under these conditions the urinary excretion rate of the substance may be used to measure renal uptake by collecting urine over a measured time period and obtaining an arterial blood sample during that period.
	www.lib.mcg.edu /edu/eshuphysio/program/section7/7ch04/7ch04p27.htm (210 words)

	Comparison of Exercise Cardiac Output by the Fick Principle Using Oxygen and Carbon Dioxide -- Sun et al. 118 (3): 631 ... (Site not responding. Last check: 2007-10-10)
		Comparison of Exercise Cardiac Output by the Fick Principle Using Oxygen and Carbon Dioxide -- Sun et al.
		Comparison of Exercise Cardiac Output by the Fick Principle Using Oxygen and Carbon Dioxide*
		Keinanen, O, Takala, J, Kari, A (1992) Continuous measurement of cardiac output by the Fick principle: clinical validation in the intensive care.
	www.chestjournal.org /cgi/content/full/118/3/631 (4380 words)

	Oxygen demand
		, coronary blood flow (CBF), and the extraction of oxygen from the blood (arterial-venous oxygen difference, AO This relationship is an application of the Fick Principle:
		The difference between the oxygen that enters the heart and that which leaves the heart per minute is the oxygen consumption of the heart.
		Oxygen consumption by the heart can be estimated in humans by utilizing the Fick Principle; however, that requires catheterization of the coronary sinus to measure venous oxygen saturation and coronary blood flow.
	cvphysiology.com /CAD/CAD003.htm (478 words)

	Publications
		Non-equilibrium molecular dynamics via Gauss' principle of least constraint.
		Self-diffusion of colloidal particles in a two-dimensional suspension: Are deviations from Fick’s law experimentally observable?
		Computer simulation studies of static and dynamical scaling in dilute solutions of excluded-volume polymers.
	ladd.che.ufl.edu /publications/publications.htm (993 words)

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