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Cardiac electrophysiology. Drawing of the ECG, with labels of intervals. Cardiac electrophysiology is a branch of cardiology and basic science focusing on the electrical activities of the heart. The term is usually used in clinical context, to describe studies of such phenomena by invasive (intracardiac) catheter recording of spontaneous ...
Cardiac physiology. Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.
The cardiac conduction system ( CCS, also called the electrical conduction system of the heart) [ 1] transmits the signals generated by the sinoatrial node – the heart 's pacemaker, to cause the heart muscle to contract, and pump blood through the body's circulatory system. The pacemaking signal travels through the right atrium to the ...
Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, the others being skeletal muscle and smooth muscle. It is an involuntary, striated muscle that constitutes the main tissue of the wall of the heart. The cardiac muscle (myocardium) forms a thick middle layer between the outer layer of the ...
Clinical cardiac electrophysiology. Clinical cardiac electrophysiology (also referred to as cardiac electrophysiology or simply EP ), is a branch of the medical specialty of cardiology concerned with the study and treatment of rhythm disorders of the heart. [ 1] Cardiologists with expertise in this area are usually referred to as ...
ICD-9-CM. 89.4. MeSH. D025401. MedlinePlus. 003878. [ edit on Wikidata] A cardiac stress test is a cardiological examination that evaluates the cardiovascular system's response to external stress within a controlled clinical setting. This stress response can be induced through physical exercise (usually a treadmill) or intravenous ...
Electrophysiology (from Greek ἥλεκτ, ēlektron, "amber" [see the etymology of "electron" ]; φύσις, physis, "nature, origin"; and -λογία, -logia) is the branch of physiology that studies the electrical properties of biological cells and tissues. It involves measurements of voltage changes or electric current or manipulations on a ...
Cardiotoxicity. Cardiotoxicity is the occurrence of heart dysfunction as electric or muscle damage, resulting in heart toxicity. [ 1] This can cause heart failure, arrhythmia, myocarditis, and cardiomyopathy in patients. [ 2] Some effects are reversible, while in others, permanent damage requiring further treatment may arise.