TRANSTHORACIC IMPEDANCES Meaning and
Definition
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Transthoracic Impedances refers to the electrical resistance encountered during the passage of electrical impulses through the chest or thoracic region of the body. It represents the opposition or hindrance encountered by these electrical impulses as they travel through the tissues, organs, and fluids in the chest cavity.
In medical contexts, transthoracic impedances are often measured or recorded through the use of specialized devices such as defibrillators or cardiac monitors. These devices use electrodes or sensors that are placed on the chest surface to measure the electrical activity of the heart. By analyzing the impedance values, healthcare professionals can gain insights into the functioning of the heart, identify abnormalities, and make informed decisions regarding diagnosis, treatment, or monitoring of cardiac conditions.
Transthoracic impedances can vary based on factors such as body composition, fluid levels, tissue density, and overall health of the individual. It is influenced by parameters like the quality of electrode contact with the skin, the location of the electrodes, and the frequency of the electrical impulses being used.
By monitoring transthoracic impedances, medical professionals can deduce important information about the heart's activity, including heart rate, rhythm, electrical conductivity, and the presence of any anomalies or irregularities. These impedance measurements are an integral part of electrocardiography (ECG) and can be used in the assessment of various cardiac conditions, such as arrhythmias, ventricular fibrillation, or heart failure.
Common Misspellings for TRANSTHORACIC IMPEDANCES
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Etymology of TRANSTHORACIC IMPEDANCES
The word "transthoracic" is derived from the Latin word "trans" meaning "across" and the Greek word "thorax" meaning "chest". It refers to something that is happening or occurring across or through the chest.
The term "impedances" is derived from the Latin word "impedire" meaning "to entangle" or "hinder". In physics and electrical engineering, impedance refers to a measure of opposition to the flow of electrical current in a circuit. In the medical context, it can refer to the opposition to the flow of electrical current through tissues.
Therefore, "transthoracic impedances" refers to the impedance or resistance encountered when electrical current is passed through the chest. This term is commonly used in medical settings, such as in regards to transthoracic impedance measurements during cardiac resynchronization therapy or defibrillation procedures.
