- electrical diastole
- the period of time during which the cell rests; it is represented by phase 4 of the action potential.
Medical dictionary. 2011.
Medical dictionary. 2011.
Diastole — The time period when the heart is in a state of relaxation and dilatation (expansion). The final letter in diastole is pronounced as a long e as in lee. The adjective for diastole is diastolic. The diastolic pressure is specifically the minimum… … Medical dictionary
phase 4 — in cardiac physiology, the phase representing electrical diastole, i.e. the time between action potentials. It is the resting phase of the electrical cardiac cycle and is steadily maintained in nonpacemaker cells. In pacemaker cells, the membrane … Medical dictionary
phase 4 depolarization — the slow reduction of the membrane potential of heart muscle cells during phase 4 (electrical diastole); it is normal in pacemaker cells but sometimes abnormally accelerated … Medical dictionary
diastolic potential — the transmembrane potential of the cell during electrical diastole … Medical dictionary
Cardiac cycle — Cardiac events occurring in the cardiac cycle. Two complete cycles are illustrated. The cardiac cycle is a term referring to all or any of the events related to the flow or blood pressure that occurs from the beginning of one heartbeat to the… … Wikipedia
cardiovascular disease — Introduction any of the diseases, whether congenital or acquired, of the heart and blood vessels (blood vessel). Among the most important are atherosclerosis, rheumatic heart disease, and vascular inflammation. Cardiovascular diseases are a … Universalium
Systole (medicine) — Systole (pronEng|ˈsɪstɒli, rhymes with fiscally ) is the contraction of heart chambers, driving blood out of the chambers. The chamber most often discussed is the left ventricle. However, all four chambers of the heart undergo systole and… … Wikipedia
Mitral stenosis — Classification and external resources Mitral stenosis with marked thickening of the leaflets and left atrial hypertrophy. Superior view. Autopsy preparation … Wikipedia
Cardiac output — (Q or or CO ) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute. CO may be measured in many ways, for example dm3/min (1 dm3 equals 1000 cm3 or 1 litre). Q is… … Wikipedia
heart — /hahrt/, n. 1. Anat. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that… … Universalium