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ECG leads must be placed in reversed positions on a person with dextrocardia. In addition, when defibrillating someone with dextrocardia, the pads should be placed in reverse positions. [ 8 ] That is, instead of upper right and lower left, pads should be placed upper left and lower right.
Bifascicular block is a combination of right bundle branch block and either left anterior fascicular block or left posterior fascicular block. Conduction to the ventricle would therefore be via the remaining fascicle. The ECG will show typical features of RBBB plus either left or right axis deviation. [7] [8]
Electrocardiography is the process of producing an electrocardiogram (ECG or EKG [a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [ 5 ] using electrodes placed on the skin.
It is estimated that 5–10% of isomeric patients have mesocardia, in which the heart is positioned at the center of the thorax, 25–50% have dextrocardia, in which the apex of the heart is pointed toward the right side of the thorax, and 50–70% have levocardia, in which the apex of the heart is pointed toward the left side of the thorax. [2]
It can be impalpable for a variety of reasons including obesity, emphysema, effusion and rarely dextrocardia. The apex beat is assessed for size, amplitude, location, impulse and duration. There are specific terms to describe the sensation such as tapping, heaving and thrusting.
Electrocardiography (ECG or EKG): Measurement of the electrical activity of the heart, typically with 4 or 10 electrodes on the skin. Holter monitor – Portable ECG device for continuous monitoring. Electrophysiology study – Studying the electrical activity of the heart through the use of catheters placed in the heart via veins or arteries.
The cardiology exam may include an echocardiogram, EKG, and/or cardiac stress test in addition to consultation. Additionally, some individuals may require ongoing medication therapy at home, which may include diuretics (such as furosemide or spironolactone ), analgesics (such as paracetamol ), cardiac glycosides (such as digoxin ...
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°.
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