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19 relations: Atrial fibrillation, Atrial flutter, Bachmann's bundle, Electrocardiography, Hyperkalemia, Hypokalemia, Lewis lead, Multifocal atrial tachycardia, PR interval, Pulmonary heart disease, QRS complex, QT interval, Right atrial enlargement, Sinoatrial arrest, Sinoatrial node, ST segment, T wave, U wave, Ventricular escape beat.
Atrial fibrillation
Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating of the atria.
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Atrial flutter
Atrial flutter (AFL) is a common abnormal heart rhythm that starts in the atrial chambers of the heart.
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Bachmann's bundle
In the heart's conduction system, Bachmann's bundle (also called the Bachmann bundle or the interatrial tract) is a branch of the anterior internodal tract that resides on the inner wall of the left atrium.
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Electrocardiography
Electrocardiography (ECG or EKG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.
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Hyperkalemia
Hyperkalemia, also spelled hyperkalaemia, is an elevated level of potassium (K+) in the blood serum.
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Hypokalemia
Hypokalemia, also spelled hypokalaemia, is a low level of potassium (K+) in the blood serum.
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Lewis lead
A Lewis Lead (also called the S5 lead) is a modified EKG 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 EKG.
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Multifocal atrial tachycardia
Multifocal (or multiform) atrial tachycardia (MAT) is an abnormal heart rhythm, specifically a type of supraventricular tachycardia, that is particularly common in older people and is associated with exacerbations of chronic obstructive pulmonary disease (COPD).
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PR interval
In electrocardiography, the PR interval is the period, measured in milliseconds, that extends from the beginning of the P wave (the onset of atrial depolarization) until the beginning of the QRS complex (the onset of ventricular depolarization); it is normally between 120 and 200ms in duration.
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Pulmonary heart disease
Pulmonary heart disease, also known as cor pulmonale, is the enlargement and failure of the right ventricle of the heart as a response to increased vascular resistance (such as from pulmonic stenosis) or high blood pressure in the lungs.
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QRS complex
The QRS complex is a name for the combination of three of the graphical deflections seen on a typical electrocardiogram (EKG or ECG).
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QT interval
In cardiology, the QT interval is a measure of the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle.
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Right atrial enlargement
Right atrial enlargement is a form of cardiomegaly.
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Sinoatrial arrest
Sinoatrial arrest (also known as sinus arrest or sinus pause) is a medical condition wherein the sinoatrial node of the heart transiently ceases to generate the electrical impulses that normally stimulate the myocardial tissues to contract and thus the heart to beat.
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Sinoatrial node
The sinoatrial node (SA node), also known as sinus node, is a group of cells located in the wall of the right atrium of the heart.
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ST segment
In electrocardiography, the ST segment connects the QRS complex and the T wave and has a duration of 0.005 to 0.150 sec (5 to 150 ms).
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T wave
In electrocardiography, the T wave represents the repolarization, or recovery, of the ventricles.
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U wave
The 'U' wave is a wave on an electrocardiogram (ECG).
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Ventricular escape beat
In cardiology a ventricular escape beat is a self-generated electrical discharge initiated by, and causing contraction of, the ventricles of the heart; normally the heart rhythm is begun in the atria of the heart and is subsequently transmitted to the ventricles.
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References
[1] https://en.wikipedia.org/wiki/P_wave_(electrocardiography)
