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trans·tho·rac·ic re·sis·tance(trans'thōr-as'ik rē-zis'tăns)
The opposition of the thoracic cavity to having a current passing through it during defibrillation.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
The amount of resistance to the flow of electrical energy across the chest. This is an important factor to consider when electrical therapies such as defibrillation, cardioversion, and transthoracic pacing are used to treat abnormal cardiac rhythms.
See also: resistance
Medical Dictionary, © 2009 Farlex and Partners