bipolar leads

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• Bipolar transistor biasing — Bipolar transistor amplifiers must be properly biased to operate correctly. In circuits made with individual devices (discrete circuits), biasing networks consisting of resistors are commonly employed. Much more elaborate biasing arrangements are …   Wikipedia

• Bipolar disorder — Manic depression redirects here. For other uses, see Manic depression (disambiguation). Bipolar disorder Classification and external resources ICD 10 F …   Wikipedia

• bipolar — adjective a) Involving both extremes (poles) at the same time. (4) the unipolar bipolar distinction is important in regard to these personality variables; the trait of extraversion (associated as it is with positive affectivity) may mean that… …   Wiktionary

• bipolar — Having two poles, ends, or extremes. * * * bi·po·lar ( )bī pō lər adj 1) having or involving the use of two poles <bipolar encephalograph leads> 2) of a neuron having an efferent and an afferent process 3) being, characteristic of, or… …   Medical dictionary

• bipolar limb lead — any bipolar array in which both electrodes are attached to limbs; usually used to denote one of the three standard limb leads, i.e., lead I, II, or III …   Medical dictionary

• Heterojunction bipolar transistor — The heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) which uses differing semiconductor materials for the emitter and base regions, creating a heterojunction. The HBT improves on the BJT in that it that can… …   Wikipedia

• standard leads — the 12 leads used in a standard electrocardiogram, comprising the standard bipolar limb leads (I, II and III), the augmented unipolar limb leads (aVF, aVL, and aVR), and the standard precordial leads (V1 to V6) …   Medical dictionary

• Electrocardiography — ECG redirects here. For other uses, see ECG (disambiguation). Not to be confused with echocardiogram, electromyogram, electroencephalogram, or EEG. Electrocardiography Intervention Image showing a patient connected to the 10 electrodes necessary …   Wikipedia

• electrogram — 1. Any record on paper or film made by an electrical event. 2. In electrophysiology, a recording taken directly from the surface by unipolar or bipolar leads. His bundle e. ( …   Medical dictionary

• Manic-Depressive Illness —    (Bipolar Disorder)    Before 1850, numerous physicians had commented on the alternation of mania and melancholia. In 1844, Karl Wigand Maximilian Jacobi (1775–1858), chief physician of Siegburg asylum in Germany, noted that Exaltation and… …   Historical dictionary of Psychiatry

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium