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2. Einthoven's triangle - Wikipedia

   en.wikipedia.org/wiki/Einthoven's_triangle

   Lead II — This axis goes from the right arm to the left leg, with the negative electrode on the shoulder and the positive one on the leg. This results in a +60 degree angle of orientation. [4] = Lead III — This axis goes from the left shoulder (negative electrode) to the right or left leg (positive electrode). This results in a +120 degree ...

3. Electrocardiography - Wikipedia

   en.wikipedia.org/wiki/Electrocardiography

   In a 12-lead ECG, all leads except the limb leads are assumed to be unipolar (aVR, aVL, aVF, V 1, V 2, V 3, V 4, V 5, and V 6). The measurement of a voltage requires two contacts and so, electrically, the unipolar leads are measured from the common lead (negative) and the unipolar lead (positive).

4. Lewis lead - Wikipedia

   en.wikipedia.org/wiki/Lewis_lead

   Electrode placement for Lewis lead; RL electrode (green), not shown, remains on leg . A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect atrial flutter waves when atrial flutter is suspected clinically, based on signs and symptoms, but is not definitely demonstrated on the standard 12 lead ECG.

5. Hexaxial reference system - Wikipedia

   en.wikipedia.org/wiki/Hexaxial_reference_system

   The hexaxial reference system is a diagram that is used to determine the heart's electrical axis in the frontal plane. The hexaxial reference system, better known as the Cabrera system, is a convention to present the extremity leads of the 12 lead electrocardiogram, [1] that provides an illustrative logical sequence that helps interpretation of the ECG, especially to determine the heart's ...

6. Electrocardiography in myocardial infarction - Wikipedia

   en.wikipedia.org/wiki/Electrocardiography_in...

   The 2018 European Society of Cardiology/American College of Cardiology Foundation/American Heart Association/World Health Federation Universal Definition of Myocardial Infarction for the ECG diagnosis of the ST segment elevation type of acute myocardial infarction require new ST elevation at J point of at least 1mm (0.1 mV) in two contiguous leads with the cut-points: ≥1 mm in all leads ...

7. Electrogram - Wikipedia

   en.wikipedia.org/wiki/Electrogram

   The typical meaning of an "ECG" is the 12-lead ECG that uses 10 wires or electrodes to record the signal across the chest. Interpretation of an ECG is the basis of a number of cardiac diseases including myocardial infarction (heart attack) and arrhythmias such as atrial fibrillation .

8. 8 Common Cardiovascular Diseases for Men & How to Prevent Them

   www.aol.com/8-common-cardiovascular-diseases-men...

   Preventing Cardiovascular Disease. The development of cardiovascular disease is strongly associated with your lifestyle habits. You can minimize your chances of developing cardiovascular disease by:

9. Vectorcardiography - Wikipedia

   en.wikipedia.org/wiki/Vectorcardiography

   [2] [3] Since the human body is a three-dimensional structure, the basic idea is to construct three orthogonal leads containing all the electric information. The three leads are represented by right-left axis (X), head-to-feet axis (Y) and front-back (anteroposterior) axis (Z).