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  2. Electrocardiography - Wikipedia

    en.wikipedia.org/wiki/Electrocardiography

    Improper lead placement (for example, reversing two of the limb leads) has been estimated to occur in 0.4% to 4% of all ECG recordings, [80] and has resulted in improper diagnosis and treatment including unnecessary use of thrombolytic therapy.

  3. 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 ...

  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. Left axis deviation - Wikipedia

    en.wikipedia.org/wiki/Left_axis_deviation

    The hexaxial reference system is a diagram that is used to determine the heart's electrical axis in the frontal plane.. In electrocardiography, left axis deviation (LAD) is a condition wherein the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°.

  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. Axillary lines - Wikipedia

    en.wikipedia.org/wiki/Axillary_lines

    The V 5 ECG lead is placed on the anterior axillary line, horizontally even with V 4. The midaxillary line is a coronal line on the torso between the anterior and posterior axillary lines. It is a landmark used in thoracentesis, [2] and the V6 electrode of the 10 electrode ECG.

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