Medical dictionary. 2011.
Cardiac action potential — The cardiac action potential is a specialized action potential in the heart, with unique properties necessary for function of the electrical conduction system of the heart.The cardiac action potential differs significantly in different portions… … Wikipedia
gating — 1. In a biologic membrane, the opening and closing of a channel, believed to be associated with changes in integral membrane proteins. 2. A process in which electrical signals are selected by a gate, which passes such signals only when the gate… … Medical dictionary
X-ray microtomography — Microtomography (commonly known as Industrial CT Scanning), like tomography, uses x rays to create cross sections of a 3D object that later can be used to recreate a virtual model without destroying the original model. The term micro is used to… … Wikipedia
angiocardiography — X ray imaging of the heart and great vessels made visible by injection of a radiopaque solution. See coronary angiography. SYN: cardioangiography. [angio + G. kardia, heart, + grapho, to write] exercise radionuclide a … Medical dictionary
gate — 1. To close an ion channel by electrical ( e.g., membrane potential) or chemical ( e.g., neurotransmitter) action. 2. Action of a special nerve fiber to block the … Medical dictionary
trigger — Term describing a system in which a relatively small input turns on a relatively large output, the magnitude of which is unrelated to the magnitude of the input. ECG t. use of the electrocardiogram, usually the R wave, to control electronically… … Medical dictionary
HCN-Kanal — Sekundär bis Quartärstruktur Heteromultimer, multi pass Membranprotein … Deutsch Wikipedia
Cardiovascular Magnetic Resonance — (CMR), sometimes know as cardiac MRI is a medical imaging technology for the non invasive assessment of the function and structure of the cardiovascular system. It is derived from and based on the same basic principles as Magnetic Resonance… … Wikipedia
Sodium channel — Sodium channels are integral membrane proteins that form ion channels, conducting sodium ions (Na+) through a cell s plasma membrane.[1][2] They are classified according to the trigger that opens the channel for such ions, i.e. either a voltage… … Wikipedia
Computed tomography of the heart — Intervention ICD 9 CM 87.41 OPS 301 code: 3 224 … Wikipedia
