Heart Lesson for Kids from Chapter 3 / Lesson 25 30K The heart is an organ that pumps blood throughout the body. Explore the heart's structure, including its chambers and valves, and learn about the function of the heart and the one-way flow of blood. Related...
Define Electrical phenomena. Electrical phenomena synonyms, Electrical phenomena pronunciation, Electrical phenomena translation, English dictionary definition of Electrical phenomena. Noun 1. electrical phenomenon - a physical phenomenon involving elect
Pathological variations of hemodynamic parameters are associated with the myocardial tissue dysfunctions that alter the normal, physiological pathway of the electric signal propagation, consequence to the electric activity of the heart that triggered them. From the nonlinear dynamics of the excitable cardiac...
What are the conducting fibers that rapidly spread the electrical signal throughout the ventricles? A) Bundle of His B) Purkinje fibers C) SA node D) AV node To find the heart rate (ventricular), we count the number of ___ on an...
By careful placement of surface electrodes on the body, it is possible to record the complex, compound electrical signal of the heart. This tracing of the electrical signal is theelectrocardiogram (ECG), also commonly abbreviated EKG (K coming kardiology, from the German term for cardiology). ...
In wire transmission systems with frequency-division multiplexing, the communication range can be increased by decreasing the effects of noise, which builds up as a signal progresses along the line. This can be achieved through the use of amplifiers, which are operated in common for all the sign...
signal transmission. The higher the impedance is, the more power is lost, the less sensitive is the device. Standard impedance is measured at a frequency of 1 kHz. The effective impedance can be understood with equivalent circuit models. Neuron activity spreading through the extracellular medium ...
aAn electrocardiogram (ECG) is a recording of the electrical activity on the body surface generated by the heart. ECG measurement information is collected by skin electrodes placed at designated locations on the body. The ECG signal is characterized by six peaks and valleys labeled with successive ...
Optical recordings from frog myocardium, stained with a voltage-sensitive dye, have been made through a fiber optic system that uses fiber couplers to provide two excitation/detection paths and to separate excitation light from the fluorescence signal. The excitation light, from a green He-Ne laser...
a device for the signal analysis of the electrical potentialverlaufes the herzerregung for example in ischemia on heart and / or a cardiac arrhythmia is that the potentialverlauf through a elektrodenanordnung with at least three electro... ZEHENDER MANFRED DR. - EP 被引量: 0发表: 1994年 ...