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*  Radiofrequency ablation
... (RFA) is a medical procedure in which part of the electrical conduction system of the heart, tumor or ... either to block the atrioventricular node after implantation of a pacemaker or to block conduction within the left atrium, ...
*  Wandering pacemaker
Ventricular conduction is normal with wandering pacemaker, and thus the QRS complex is normal. Cleveland Clinic Atrial ...
*  Dromotropic
A dromotropic agent is one which affects the conduction speed in the AV node, and subsequently the rate of electrical impulses ... Conversely, they can lead to symptomatic disturbances in cardiac conduction and bradyarrhythmias, and may aggravate left ...
*  Median nerve palsy
Nerve conduction velocity tests through the hand are used to diagnosis CTS. Physical diagnostic tests include the Phalen ... Decreased values of nerve conduction studies are used as indicators of nerve compression and may aid in determining the ...
*  Bundle of His
The ventricular conduction system comprises the bundle branches and the Purkinje networks. It takes about 0.03-0.04 seconds for ... The bundle of His or His bundle is a collection of heart muscle cells specialized for electrical conduction. As part of the ... The bundle of His is an important part of the electrical conduction system of the heart, as it transmits impulses from the ... The fascicular branches then lead to the Purkinje fibers, which provide electrical conduction to the ventricles, causing the ...
*  Quantitative models of the action potential
Hodgkin AL, Huxley AF (1952). "A quantitative description of membrane current and its application to conduction and excitation ... Biological neuron models GHK current equation Saltatory conduction Bioelectronics Cable theory Hodgkin AL, Huxley AF, Katz B ( ...
*  Karel Frederik Wenckebach
In 1899 he provided a description of irregular pulses due to partial blockage of atrioventricular conduction, creating a ... progressive lengthening of conduction time in cardiac tissue. The condition was referred to as a "second degree AV block" and ...
*  Heart block
Conduction is initiated by the sinoatrial node ("sinus node" or "SA node"), and then travels to the atrioventricular node ("AV ... Following the path of the electrical signals, the places where conduction can be blocked give rise to different kinds of heart ... However SA block is capable of causing problematic symptoms even so, and may also hint at conduction issues elsewhere in the ... This includes retrograde conduction from the ventricles, ectopic atrial beats, atrial fibrillation, and atrial flutter. The ...
*  Bone conduction
... is the conduction of sound to the inner ear through the bones of the skull. Bone conduction transmission can be ... Bone conduction is one reason why a person's voice sounds different to them when it is recorded and played back. Because the ... "Our bone conduction technology is set to raise the bar in Bermuda , BAE Systems , International". BAE Systems , International. ... Bone conduction products are usually categorized into three groups: Ordinary products, such as hands-free headsets or ...
*  Sinoatrial node
Heart; conduction system (SA node labeled 1) Schematic representation of the atrioventricular bundle Cardiac pacemaker ... Anatomy figure: 20:06-01 at Human Anatomy Online, SUNY Downstate Medical Center - "The conduction system of the heart." Diagram ... or the impulse generated in the SA node is blocked before it travels down the electrical conduction system, a group of cells ... that travels through the heart via the electrical conduction system (see figure 1) causing it to contract. In a healthy heart, ...
*  Saltatory conduction
"Saltatory Conduction of APs". Retrieved 6 May 2014. Hsu K, Tan TP, Chen FS. On the excitation and saltatory conduction in the ... Saltatory conduction occurs widely in the myelinated nerve fibers of vertebrates, but was later discovered in a pair of medial ... Saltatory conduction (from the Latin saltare, to hop or leap) is the propagation of action potentials along myelinated axons ... This rapid conduction of electrical signal reaches the next node and creates another action potential, thus refreshing the ...
*  Sinoventricular conduction
... is a rare form of cardiac conduction in which the sinoatrial node generates an impulse that is ... Sinoventricular conduction has also been demonstrated during acute myocardial ischemia. This has been further elucidated by the ... Hyperkalemia can lead to sinoventricular conduction, as evidenced on ECG by the P waves becoming flatter and flatter and ... Ross, AM; Proper, MC (1976). "Sinoventricular conduction in atrial standstill". Journal of Electrocardiology. 9: 161-4. doi: ...
*  VA conduction
... , also named Ventriculoatrial conduction and sometimes referred to as Retrograde conduction, is the conduction ... Retrograde VA conduction results in many different symptoms, primarily those symptoms result from the delayed, nonphysiologic ... "Retrograde VA Conduction - Medical Dictionary Definition". "Pacemaker Syndrome: Overview - eMedicine Cardiology". ... backward phenomena in the heart, where the conduction comes from the ventricles or from the AV node into and through the atria ...
*  Cartilage conduction
... several studies demonstrated that the mechanisms of cartilage conduction differ from that of bone conduction. Bone conduction ... The cartilage conduction phone can also be used simultaneously with conventional air conduction hearing aids, which is good ... Is cartilage conduction classified into air or bone conduction? Laryngoscope 2014; 124:1214-1219 Shimokura R, Hosoi H, ... Air vibration created from cartilage conduction is combined with sound from air conduction at the ear canal, and thus an ...
*  Ballistic conduction
... is not limited to electrons (or holes) but can also apply to phonons. It is theoretically possible for ... Ballistic conduction is the unimpeded flow of charge, or energy-carrying particles, over relatively long distances in a ... Ballistic conduction differs from superconductivity due to the absence of the Meissner effect in the material. A ballistic ... Ballistic conduction is typically observed in quasi-1D structures, such as carbon nanotubes or silicon nanowires, because of ...
*  Conduction aphasia
However, conduction aphasia is a mild aphasia, and conduction aphasics score highly on the WAB at baseline. In the late 19th ... Conduction aphasia is caused by damage to the parietal lobe of the brain, especially in regards to the area associated with the ... Symptoms of conduction aphasia, as with other aphasias, can be transient, lasting only several hours or a few days. As aphasias ... "Conduction Aphasia". www.asha.org. Retrieved 2015-11-13. Bakheit, A.M.O; Shaw, S; Carrington, S; Griffiths, S (2016). "The rate ...
*  Subthreshold conduction
... or subthreshold leakage or subthreshold drain current is the current between the source and drain of a ... Subthreshold conduction is only one component of leakage: other leakage components that can be roughly equal in size depending ... In the past, the subthreshold conduction of transistors has usually been very small in the off state, as gate voltage could be ... The amount of subthreshold conduction is set by the threshold voltage, which sits between ground and the supply voltage, and so ...
*  Concealed conduction
... can cause a delay in subsequent AV conduction by modifying the AV node's subsequent conduction characteristics. Hence, the P-R ... Regarding cardiology and conduction characteristics- Tissue stimulation without direct effect (such as causing contraction in ... another chamber), but leading to a change in conduction characteristics. A common example would be an interpolated PVC (a type ...
*  Nerve conduction velocity
... low temperatures slow nerve conduction velocity and higher temperatures increase conduction velocity). Conduction velocities in ... Largely generalized, normal conduction velocities for any given nerve will be in the range of 50-60 m/s. Nerve Conduction ... Nerve conduction velocity is an important aspect of nerve conduction studies. It is the speed at which an electrochemical ... However, conduction velocity of the Sural nerve is not associated with age. In general, conduction velocities in the upper ...
*  Nerve conduction study
... whereas the motor and sensory nerve conduction studies evaluate conduction in the segment of the limb. F waves vary in latency ... Nerve conduction velocity (NCV) is a common measurement made during this test. The term NCV often is used to mean the actual ... Nerve conduction studies are very helpful to diagnose certain diseases of the nerves of the body. The test is not invasive, but ... A nerve conduction study (NCS) is a medical diagnostic test commonly used to evaluate the function, especially the ability of ...
*  Thyristor conduction angle
... is the total angle through which the thyristor usually conducts power. This angle is used as an ... The thyristor conduction angle is considered to be the most direct method to analyse thyristor voltage controlled RL loads. SA ...
*  Valence and conduction bands
Electrical conduction for more information about conduction in solids, and another description of band structure. Electronic ... while the conduction band is located above it. This distinction is meaningless in metals where conduction occurs in one or more ... If there is a small band gap (Eg), then the flow of electrons from valence to conduction band is possible only if an external ... Once they are in the conduction band, they can conduct electricity, as can the hole they left behind in the valence band. The ...
*  Bone conduction auditory brainstem response
... phase shifted bone-conduction signals cancel out air conduction signals. Bone-conduction works because all of the bones of the ... As with air-conduction stimuli, thresholds for bone-conduction stimuli should be obtained using tone burst stimuli Stapells is ... Bone-conduction auditory brainstem response (BCABR) are similar to air conduction auditory brainstem responses, with the main ... For infants, Wave V latencies for bone-conduction clicks are shorter than the air conduction clicks. These differences can be ...
*  Electrical conduction system of the heart
The conduction of the electrical impulses throughout the atria is seen on the ECG as the P wave. As the electrical activity is ... The conduction system consists of specialised heart muscle cells, and is situated within the myocardium. There is a skeleton of ... Dysfunction of the conduction system can cause irregular, fast, or slow heart rhythms. Electrical signals arising in the SA ... The electrical conduction system of the heart transmits signals generated usually by the sinoatrial node to cause contraction ...
*  Ballistic conduction in single-walled carbon nanotubes
This conduction can be ballistic, diffusive, or based on scattering. When ballistic in nature conductance can be treated as if ... Conduction in single-walled carbon nanotubes is quantized due to their one-dimensionality and the number of allowed electronic ... This conduction mechanism can be either ballistic or diffusive in nature, or based on tunneling. When ballistically conducted, ... When the value of the conductance for the above example approaches the ideal value of 2G0, the conduction along the channel is ...