HARRY F. ZINSSER, M.D.
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To the editor: The May issue of the ANNALS contains a report by Weisse and associates (Ann Intern Med 72: 695-697, 1970) that describes "The first instance of a broken Sommer pacemaker electrode and the successful retrieval of the separated intracardiac segment without thoracotomy."
Kenneth R. Falchuk, Ali P. Shariari, and myself have described the retrieval of a broken Sommer pacemaker catheter from the heart without thoracotomy (JAMA 210:1574, 1969).
The company that manufactures these catheters was informed immediately of the mishap, and they were most cooperative in providing us with the No. 9 Lehman-type catheter and guide wire used
ZINSSER HF. Broken Catheter. Ann Intern Med. ;73:492. doi: 10.7326/0003-4819-73-3-492_2
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Published: Ann Intern Med. 1970;73(3):492.
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