pacemaker potential (also called the pacemaker current) is the slow, positive increase in voltage across the cell's membrane (the membrane potential)...

known as pacemaker cells, that have automatic action potential generation capability. In healthy hearts, these cells form the cardiac pacemaker and are...

potential (voltage) of the cell, giving these cells their pacemaker potential. When the membrane potential gets depolarized to about -40mV it has reached threshold...

A pacemaker action potential is the kind of action potential that provides a reference rhythm for the network. The pacemaker potential is the slow depolarization...

An artificial cardiac pacemaker, commonly referred to as simply a pacemaker, is an implanted medical device that generates electrical pulses delivered...

action potentials, setting the rhythm of the heart (sinus rhythm), and so is known as the heart's natural pacemaker. The rate of action potentials produced...

action potentials at a regular rate, like an internal clock. The voltage traces of such cells are known as pacemaker potentials. The cardiac pacemaker cells...

rhythm. Cardiac pacemaker cells, a type of cardiac myocyte in the SA node of heart, are an example of cells with a pacemaker potential.[citation needed]...

The pacemaker current (If, or IKf, also called funny current) is an electric current in the heart that flows through the HCN channel or pacemaker channel...

diverse potentials such as receptor potentials, electrotonic potentials, subthreshold membrane potential oscillations, slow-wave potential, pacemaker potentials...

in the threshold potential are hence implicated. Since the 1940s, the concept of diastolic depolarization, or "pacemaker potential", has become established;...

in this field include antiarrhythmic drug therapy and implantation of pacemakers, implantable cardioverter-defibrillators and cardiac resynchronisation...

decreases the firing rate of the pacemaker cells by decreasing the slope of the pacemaker potential (phase 4 of the action potential); this decreases heart rate...

airline designator IF) If current, a component current in the cardiac pacemaker potential Immunofluorescence, a form of labeling substances with fluorescent...

D; Tsien, R. W. (1968). "Adrenaline: Mechanism of action on the pacemaker potential in cardiac Purkinje fibers". Science. 162 (3856): 916–7. Bibcode:1968Sci...

own action potentials spontaneously, which usually occur following a pacemaker potential or a slow wave potential. These action potentials are generated...

recorded as they leave the p-cells in the centre of the node [ see pacemaker potential ], followed by observing a delay in the onset of the p wave on the...

membranes of heart and brain cells. HCN channels are sometimes referred to as pacemaker channels because they help to generate rhythmic activity within groups...

always changing (such as cardiac pacemaker cells). For such cells there is never any "rest" and the "resting potential" is a theoretical concept. Other...

A biological pacemaker is one or more types of cellular components that, when "implanted or injected into certain regions of the heart," produce specific...

first recordings using microelectrodes of the pacemaker potential in heart muscle to study the cardiac pacemaker. They researched the actions of acetylcholine...

gastrointestinal motility. Slow waves are generated and propagated by a class of pacemaker cells called the interstitial cells of Cajal, which also act as intermediates...

and increased effective refractory periods, thus shown to suppress pacemaker potential of the SA node and return patients to a normal heart rhythm. In a...

definitive treatment with an implanted pacemaker. In atrioventricular causes of bradycardia, permanent pacemaker implantation is often required when no...

Treatments may include medications, medical procedures such as inserting a pacemaker, and surgery. Medications for a fast heart rate may include beta blockers...

(HB) is a disorder in the heart's rhythm due to a fault in the natural pacemaker. This is caused by an obstruction – a block – in the electrical conduction...

must operate unattended for long periods of time, such as spacecraft, pacemakers, underwater systems and automated scientific stations in remote parts...

block. Since pacemaker correction of the third-degree block requires full-time pacing of the ventricles, a potential side effect is pacemaker syndrome, and...

transmits the signals generated by the sinoatrial node – the heart's pacemaker, to cause the heart muscle to contract, and pump blood through the body's...

of a pacemaker has been advocated in a subset of individuals, in order to cause asynchronous contraction of the left ventricle. Since the pacemaker activates...