What is the location of the atrial and ventricular pacemaker lead tips, respectively, in this patient?: (A) Right atrium and right ventricle, (B) Right atrium and extracardiac, (C) Extracardiac and right ventricle, (D) Both leads are extracardiac
Answer is B. The atrial lead is appropriately positioned in the right atrium. The right ventricular lead tip lies outside of the confines of the hea. If it were placed in the right ventricle, it would overlie the hea. The atrial lead is appropriately positioned in the right atrium. The right ventricular lead tip lies outside of the confines of the hea.