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AV nodal reentrant tachycardia

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	AV nodal reentrant tachycardia - Wikipedia, the free encyclopedia
		AV nodal reentrant tachycardia (AVNRT) is a type of reentrant tachycardia (fast rhythm) of the heart.
		It is a supraventricular tachycardia, meaning that it involves the atria (upper chambers) of the heart.
		This is because the AV node is an essential portion of the reentrant circuit in AVNRT.
	en.wikipedia.org /wiki/AV_nodal_reentrant_tachycardia (299 words)

	Reacquiring a Lock (Site not responding. Last check: 2007-10-19)
		The Java runtime environment allows a thread to reacquire a lock because the locks are reentrant.
		Reentrant locks are important because they eliminate the possibility of a single thread having to wait for a lock that it already holds.
		In platforms that don't support reentrant locks, this sequence of method calls causes a deadlock.
	java.sun.com /docs/books/tutorial/essential/threads/reentrant.html (183 words)

	Reentrant Functions
		Reentrant functions are often required in real-time applications or in situations where interrupt code and non-interrupt code must share a function.
		Reentrant functions use the default memory model to determine which memory space to use for the reentrant stack.
		The reentrant stack simulation architecture is inefficient, but necessary due to a lack of suitable addressing methods available on the 8051.
	www.fsinc.com /reference/html/com9aid.htm (659 words)

	Use reentrant functions for safer signal handling
		A reentrant function can be interrupted at any time and resumed at a later time without loss of data.
		Reentrant functions either use local variables or protect their data when global variables are used.
		are not reentrant, because they use a static data structure that records which memory blocks are free.
	www-128.ibm.com /developerworks/linux/library/l-reent.html?ca=dgr-lnxw07Reentrant (2674 words)

	REENTRANT (Site not responding. Last check: 2007-10-19)
		A computer program or routine is described as reentrant if it is designed such that a single copy of the program's instructions in memory can be shared by multiple users or separate processes.
		The key to the design of a reentrant program is to ensure that no portion of the program code is modified by the different users/processes, and that process-unique information is kept in a separate area of memory that is distinct for each user or process.
		It is licensed under the GNU free documentation license.
	www.yotor.org /wiki/en/re/Reentrant.htm (105 words)

	Writing Reentrant and Thread-Safe Code (Site not responding. Last check: 2007-10-19)
		A reentrant function does not hold static data over successive calls, nor does it return a pointer to static data.
		Reentrant and thread-safe libraries are useful in a wide range of parallel (and asynchronous) programming environments, not just within threads.
		When writing multi-threaded programs, the reentrant versions of subroutines should be used instead of the original version.
	davinci01.man.ac.uk /aix433/aixprggd/genprogc/writing_reentrant_thread_safe_code.htm (1511 words)

	Java Monitors Are Reentrant (Site not responding. Last check: 2007-10-19)
		The Java runtime system allows a thread to re-acquire a monitor that it already holds because Java monitors are reentrant.
		Reentrant monitors are important because they eliminate the possibility of a single thread deadlocking itself on a monitor that it already holds.
		In systems that don't support reentrant monitors, this sequence of method calls would cause deadlock.
	journals.ecs.soton.ac.uk /java/tutorial/java/threads/reentrant.html (124 words)

	Premature excitation and onset of reentrant ventricular tachycardia -- Ciaccio 283 (4): 1703 -- AJP - Heart and ...
		Premature excitation and onset of reentrant ventricular tachycardia
		with the boundaries of the isthmus of the reentrant circuit (7).
		Dynamic relationship of cycle length to reentrant circuit geometry and to the slow conduction zone during ventricular tachycardia.
	ajpheart.physiology.org /cgi/content/full/283/4/H1703 (6567 words)

	reentrant - a Whatis.com definition (Site not responding. Last check: 2007-10-19)
		Reentrant is an adjective that describes a computer program or routine that is written so that the same copy in memory can be shared by multiple users.
		Reentrant code is commonly required in operating systems and in applications intended to be shared in multi-use systems.
		A programmer writes a reentrant program by making sure that no instructions modify the contents of variable values in other instructions within the program.
	searchsmb.techtarget.com /sDefinition/0,,sid44_gci212881,00.html (263 words)

	Search Results for reentrant - Encyclopædia Britannica
		The heart rate is controlled by the opposing actions of sympathetic and parasympathetic nerves and by the action of epinephrine released from the adrenal gland.
		Any concavity of a coastline or reentrant of the sea, regardless of size, depth, configuration, and geologic structure, may be called a gulf or bay.
		concavity of a coastline or reentrant of the sea, formed by the movements of either the sea or a lake.
	www.britannica.com /search?query=reentrant&submit=Find&source=MWTEXT (241 words)

	MacKiDo/Software/Reentrant
		The better solution is to write (or rewrite) all of your routines so they get all their data from a pointer (variable) that is passed to them by the calling routine.
		If you try to go back and fix routines to be reentrant, then you learn that one routine's state was dependent on another routine's state -- and you have to fix the other routine too, which is dependent on another, and so on.
		The problem was to take the time to do it right, and make the entire toolbox reentrant and make it so that it would add value to users (and not just be a check box on some marketing literature).
	www.mackido.com /Software/Reentrant.html (1551 words)

	Reentrant Arrhythmias (Site not responding. Last check: 2007-10-19)
		219.8K QT For a reentrant arrhythmia to occur 3 conditions must be met.
		The conduction time of the circuit must be long enough for the myocardium to recover from its refractory period.
		Reentrant arrhythmias can occur any place in the heart where these conditions are met.
	www.md.huji.ac.il /mirror/netpharm/figarrhy.htm (114 words)

	Reentrancy in Embedded Systems Development
		Reentrant functions, AKA "pure code", are often falsely thought to be any code that does not modify itself.
		A function is reentrant if, while it is being executed, it can be re-invoked by itself, or by any other routine, by interrupting the present execution for a while.
		Given a halfway decent CPU it's not too hard to write reentrant code from scratch (decent stack resources are the biggest requirement), but I've found that it is almost impossible to make a big impure program reentrant.
	www.avocetsystems.com /company/articles/magazine/areentra.htm (1681 words)

	Postgraduate Medicine: Clinical Cardiac Electrophysiology Symposium: Reentrant tachycardias
		In 1956 the concept was demonstrated in an animal model, and reentry through two discrete pathways was reported to be the cause of AV nodal reentrant tachycardia (6).
		In a less common form of reentrant tachycardia, the direction of impulse transmission is reversed.
		Unfortunately, typical AV nodal reentrant tachycardia can be mimicked by several supraventricular tachycardias, including atrial flutter, atrial tachycardia with fixed and uniform blocked conduction, reentrant tachycardia with impulses traveling down the AV node and returning to the atrium via an accessory pathway, orthodromic transmission, and automatic nonreentrant junctional tachycardia.
	www.postgradmed.com /issues/1998/01_98/karas.htm (2964 words)

	orienteering clue symbols (Site not responding. Last check: 2007-10-19)
		A reentrant appears on the map as a U or V shape in the contour lines, pointing back into a hillside rather than sticking out of the hill (as would a spur).
		So a reentrant is a small valley, the center of which would collect water and funnel it downhill (if it were raining hard).
		The west-most is a small, v-shaped reentrant, while the two eastern examples are broad and somewhat shallow.
	www.williams.edu /Biology/Faculty_Staff/hwilliams/Orienteering/reentrant.html (117 words)

	AV Nodal Reentrant Tachycardia
		Atrioventricular nodal reentrant tachycardia, abbreviated AVNRT, is the most common cause of supraventricular tachycardia.
		It is more common in woman than in men and it usually presents over a wide age range, from teenagers and young adults to the elderly.
		In this situation, there are two electrical pathways in the AV node, unlike the normal situation where there is only a single pathway (see Figure 1).
	www.kpep.org /svtachyarrhythmias/avnrt.htm (488 words)

	New Insights Regarding the Atrial Flutter Reentrant Circuit : Studies in the Canine Sterile Pericarditis Model -- Uno ... (Site not responding. Last check: 2007-10-19)
		It demonstrates figure-of-eight reentry in which right atrial free wall reentrant circuit (orange) circulates in a counterclockwise direction, and reentrant circuit involving the atrial septum (blue) travels down the interatrial septum and up the right atrial free wall.
		B, Isochronous map from episode of sustained atrial flutter in dog 8 that demonstrated figure-of-eight reentry in which the right atrial free wall reentrant circuit (orange) circulated clockwise, and reentrant circuit involving atrial septum (blue) traveled up the interatrial septum to Bachmann's bundle and then down the right atrial free wall.
		Characterization of the excitable gap in a functionally determined reentrant circuit: studies in the sterile pericarditis model of atrial flutter.
	circ.ahajournals.org /cgi/content/full/100/12/1354 (3992 words)

	Mechanisms Underlying the Reentrant Circuit of Atrioventricular Nodal Reentrant Tachycardia in Isolated Canine ...
		Atrioventricular nodal reentrant tachycardia: electrophysiological characteristics of four forms and implications for the reentrant circuit.
		Reentrant pathway during ventricular echoes is confined to the atrioventricular node: high-resolution mapping and dissection of the triangle of Koch in isolated, perfused canine hearts.
		Patients with two types of atrioventricular junctional (AV nodal) reentrant tachycardia: evidence that a common pathway of nodal tissue is not present above the reentrant circuit.
	circres.ahajournals.org /cgi/content/full/88/11/1189 (4939 words)

	OSNews.com
		If current implementation malloc/free is not reentrant, then function using these isn't either.
		This is avoidable by implementing reentrant versions of memory management functions.
		It is not opposite:) Both cases are not reentrant (although static variables can be used sometimes to detect reentrancy and adjust function behavior).
	www.osnews.com /comment.php?news_id=9467 (469 words)

	Cardiac electrical restitution properties and stability of reentrant spiral waves: a simulation study -- Qu et al. 276 ...
		as the substrate of reentrant arrhythmias were first predicted theoretically (23, 47) and were later observed
		Reentrant spiral waves were initiated in the 2-D tissue model by two successive perpendicular rectilinear wave fronts (34).
		Nonstationary vortexlike reentrant activity as a mechanism of polymorphic ventricular tachycardia in the isolated rabbit heart.
	ajpheart.physiology.org /cgi/content/full/276/1/H269 (7167 words)

	[Expat-discuss] is expat a reentrant parser (Site not responding. Last check: 2007-10-19)
		A function is reentrant only if, when invoked inside a signal-catching function, it does not adversly affect the normal flow of operations of the function or code that the signal-catching function interrupted.
		In other words, reentrant functions aren't going to unexpectedly change any critical values, and thus the result of the operations, if they are invoked in the middle of a function.
		I'm not positive that this is the meaning that SheelR was going for, but this is the "standard" meaning of a reentrant function.
	mail.libexpat.org /pipermail/expat-discuss/2001-August/000168.html (290 words)

	RTX51: REENTRANT FUNCTIONS
		This is a reentrant function that is declared using the reentrant keyword.
		There are functions that, by their nature, are reentrant.
		They are, therefore, functions that are reentrant, but they are not declared using the reentrant keyword.
	www.keil.com /support/docs/1873.htm (374 words)

	Can ARM code be relocatable/reentrant?
		'armcc -apcs /reentrant' tells the compiler to compile position-independent code with all static data addressed as fixed offsets from a separate 'static base' register (r9 - or 'sb'), and all code and data address constants are moved into r/w data instead of being located in literal pools in the code.
		Therefore, we advise you not to use '-apcs /reentrant' for new projects.
		For existing projects which use '-apcs /reentrant', please note that SDT 2.50/2.51 armlink does not support linking of 'apcs /reentrant' objects, so the SDT 2.11a linker must be used instead.
	www.arm.com /support/faqdev/1445.html (640 words)

	Programmer's Guide
		A reentrant routine is the ideal thread-safe routine, but not all routines can be made to be reentrant.
		In this case, the routine is not considered reentrant, but it is still thread safe.
		The reentrancy of the actual code generated by the C compiler is determined only by proper use of reentrant coding practices by the programmer, by use of only thread-safe support libraries, and by use of only thread-safe support libraries - not by any special options.
	www.cs.arizona.edu /computer.help/policy/DIGITAL_unix/AA-PS30D-TET1_html/peg13.html (2170 words)

	REENTRANT CODE (Site not responding. Last check: 2007-10-19)
		If a routine follows these rules, it is reentrant: 1.
		The routine can be interrupted at any time without affecting the execution of the routine.
		The routine doesn't call any other routines that are not reentrant (e.g., DOS I/O).
	community.borland.com /article/0,1410,15685,00.html (80 words)

	Comp.compilers: Reentrant flex & bison (Site not responding. Last check: 2007-10-19)
		Re: Reentrant flex and bison clint@0lsen.net (Clint Olsen) (2004-03-19)
		Re: Reentrant flex and bison eggert@twinsun.com (Paul Eggert) (2004-04-03)
		The C++ reentrant lex scanner doesn't talk to the
	compilers.iecc.com /comparch/article/04-03-068 (93 words)

	Linux Threads Home Page: Is the kernel 100% reentrant? (Site not responding. Last check: 2007-10-19)
		As of this date (12-Sep-96), some of the drivers are still not reentrant.
		That's currently in the works (the 2.1.xx goal is to get the kernel 100% reentrant).
		It means that as you work on your threaded code, you will not have all the performance as you might with a fully reentrant kernel.
	www.tldp.org /FAQ/Threads-FAQ/Reentrancy.html (103 words)

	Multiple or Reentrant NLM
		All of the replies I have seen so far are steering away for using a reentrant NLM.
		Now that I have started looking at it, I am obsessed with getting a reentrant NLM to do something, even if it is totally non-practical, and I never use it at all.
		But, I need to be able to hand it more parameters on another load command, and have those parameters handed to the first instance (which would still be running).
	forge.novell.com /pipermail/libc-dev/2004-August/000901.html (671 words)

	Reentrant libraries (Site not responding. Last check: 2007-10-19)
		Reentrant or thread safe libraries, therefore, must guarantee synchronized access to their own global data or functions.
		When building a multithreaded application, you must pass -K thread to the cc command.
		The C++ standard library, libC, is reentrant (except for the old, pre-standard iostreams classes kept for compatibility, which are not).
	uw713doc.caldera.com /en/SDK_cprog/_Reentrant_Libraries.html (250 words)

	GNU MP 4.1.2 (Site not responding. Last check: 2007-10-19)
		and the other old random number functions use a global random state and are hence not reentrant.
		It's safe for two threads to read from the same GMP variable simultaneously, but it's not safe for one to read while the another might be writing, nor for two threads to write simultaneously.
		macros use per-file static variables and may not be reentrant, depending whether the compiler optimizes away fetches from them.
	www.delorie.com /gnu/docs/gmp/gmp_17.html (206 words)

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