Hexaxial reference system and axes of deviation. The triaxial reference system comprises the vectors I, II, and III (standard dipolar limb leads) only.
Medical dictionary. 2011.
Hexaxial reference system — The hexaxial reference system is diagram based on the first six leads of the 12 lead ECG. It is used to help determine the heart s electrical axis in the frontal plane. To use the hexaxial reference system, locate the most isoelectric (or… … Wikipedia
triaxial reference system — a series of lines used in electrocardiography to describe the potentials in the heart by diagramming frontal plane vectors that represent the standard bipolar limb leads; it is a rearrangement of the vectors composing the Einthoven triangle so… … Medical dictionary
system — 1. [TA] A consistent and complex whole made up of correlated and semiindependent parts. A complex of functionally related anatomic structures. 2. The entire organism seen as a complex organization of parts. 3. Any complex of structures… … Medical dictionary
Circulatory system — This article is about the organ system. For the band, see Circulatory System. For transport in plants, see Vascular tissue. Circulatory system … Wikipedia
ICD-10 Chapter IX: Diseases of the circulatory system — International Statistical Classification of Diseases and Related Health Problems 10th Revision Chapter Blocks Title I A00–B99 Certain infectious and parasitic diseases II C00–D48 Neoplasms III D50–D89 Diseases of the blood and blood forming… … Wikipedia
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
Electrocardiogram — An electrocardiogram (ECG or EKG, abbreviated from the German Elektrokardiogramm ) is a noninvasive transthoracic graphic produced by an electrocardiograph, which records the electrical activity of the heart over time. Its name is made of… … Wikipedia
deviation — 1. A turning away or aside from the normal point or course. 2. An abnormality. 3. In psychiatry and the behavioral sciences, a departure from an accepted norm, role, or rule. SYN: deviance. 4. A statistical measure representing the … Medical dictionary
Heart rate — is the number of heartbeats per unit of time, typically expressed as beats per minute (bpm). Heart rate can vary as the body s need to absorb oxygen and excrete carbon dioxide changes, such as during exercise or sleep. The measurement of heart… … 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
