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  • Title: [Control of the position of cava catheters by intraatrial ECG (author's transl)].
    Author: Hufnagl HD.
    Journal: Anaesthesist; 1976 Mar; 25(3):106-9. PubMed ID: 1267122.
    Abstract:
    The precise position of a cava catheter can be defined by registration of electrocardiogramm by means of this catheter. The rather simple method by the use of a liquid filled catheter is briefly described, according to the improved method by Halter and Urthaler. Those electrocardiographic potentials, characteristic for each part of the right atrium, allow precise positioning of the tip of the catheter. By continuous registration of atrial electrocardiogram the catheter can be placed exactly between vena cava superior and right atrium. Furthermore, the possibility of registering atrial potentials by this simple means provides immediate recognition of atrial arrhythmias in cardian emmergencies.
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