…system (His Purkinje network), which results in rapid impulse transmission and thus shorter QRS duration (as compared with apical pacing). Because ventricular pacing results in…

…Complex or multifactorial genetic architecture. The inheritance pattern affects the appropriate scope and duration of family surveillance. For example, heterozygous carriers in a clearly recessive…

…IVUS generates images by transmitting ultrasound from an intracoronary catheter and recording echoes reflected from the vessel wall. Contemporary systems use frequencies ranging from approximately…

…support capable of acquiring and transmitting a 12 lead ECG and obtaining medical authorization. Fibrinolysis reduces mortality in patients with STEMI, with the greatest benefit…

…mechanism. Sequential activation implies that the atria are activated first and they fill the ventricles with adequate volumes of blood before ventricular contraction commences. To…