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29 relations: Bundle branch block, Bundle of His, Cardiac muscle, Depolarization, Electrocardiography, Electrolyte imbalance, Electrophysiology, Heart, Heart arrhythmia, Heart rate, Hilbert transform, Hyperkalemia, Interventricular septum, Janusz Kacprzyk, Left bundle branch block, Millisecond, Myocardial infarction, P wave (electrocardiography), Purkinje fibers, QT interval, ST segment, T wave, Tachycardia, U wave, Ventricle (heart), Ventricular hypertrophy, Ventricular tachycardia, Volt, Wolff–Parkinson–White syndrome.
Bundle branch block
A bundle branch block is a defect of the bundle branches or fascicles in the electrical conduction system of the heart.
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Bundle of His
The bundle of His or His bundle is a collection of heart muscle cells specialized for electrical conduction.
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Cardiac muscle
Cardiac muscle (heart muscle) is one of the three major types of muscle, the others being skeletal and smooth muscle.
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Depolarization
In biology, depolarization is a change within a cell, during which the cell undergoes a shift in electric charge distribution, resulting in less negative charge inside the cell.
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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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Electrolyte imbalance
Electrolyte imbalance is an abnormality in the concentration of electrolytes in the body.
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Electrophysiology
Electrophysiology (from Greek ἥλεκτρον, ēlektron, "amber"; φύσις, physis, "nature, origin"; and -λογία, -logia) is the study of the electrical properties of biological cells and tissues.
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Heart
The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.
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Heart arrhythmia
Heart arrhythmia (also known as arrhythmia, dysrhythmia, or irregular heartbeat) is a group of conditions in which the heartbeat is irregular, too fast, or too slow.
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Heart rate
Heart rate is the speed of the heartbeat measured by the number of contractions of the heart per minute (bpm).
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Hilbert transform
In mathematics and in signal processing, the Hilbert transform is a specific linear operator that takes a function, u(t) of a real variable and produces another function of a real variable H(u)(t).
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Hyperkalemia
Hyperkalemia, also spelled hyperkalaemia, is an elevated level of potassium (K+) in the blood serum.
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Interventricular septum
The interventricular septum (IVS, or ventricular septum, or during development septum inferius), is the stout wall separating the lower chambers (the ventricles) of the heart from one another.
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Janusz Kacprzyk
Janusz Kacprzyk is a Polish engineer and mathematician, notable for his multiple contributions to the field of computational and artificial intelligence tools like fuzzy sets, mathematical optimization, decision making under uncertainty, computational intelligence, intuitionistic fuzzy sets, data analysis and data mining, with applications in databases, ICT, mobile robotics and others.
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Left bundle branch block
Left bundle branch block (LBBB) is a cardiac conduction abnormality seen on the electrocardiogram (ECG).
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Millisecond
A millisecond (from milli- and second; symbol: ms) is a thousandth (0.001 or 10−3 or 1/1000) of a second.
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Myocardial infarction
Myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops to a part of the heart, causing damage to the heart muscle.
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P wave (electrocardiography)
The P wave in the ECG represents atrial depolarization, which results in atrial contraction, or atrial systole.
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Purkinje fibers
The Purkinje fibers (Purkinje tissue or subendocardial branches) are located in the inner ventricular walls of the heart, just beneath the endocardium in a space called the subendocardium.
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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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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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Tachycardia
Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate.
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U wave
The 'U' wave is a wave on an electrocardiogram (ECG).
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Ventricle (heart)
A ventricle is one of two large chambers in the heart that collect and expel blood received from an atrium towards the peripheral beds within the body and lungs.
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Ventricular hypertrophy
Ventricular hypertrophy (VH) is thickening of the walls of a ventricle (lower chamber) of the heart.
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Ventricular tachycardia
Ventricular tachycardia (V-tach or VT) is a type of regular and fast heart rate that arises from improper electrical activity in the ventricles of the heart.
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Volt
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
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Wolff–Parkinson–White syndrome
Wolff–Parkinson–White syndrome (WPWS) is a disorder due to a specific type of problem with the electrical system of the heart which has resulted in symptoms.
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References
[1] https://en.wikipedia.org/wiki/QRS_complex
