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Postgraduate Medical Journal 2004;80:431-432
© 2004 Fellowship of Postgraduate Medicine

SELF ASSESSMENT QUESTION

Cardiology

Evaluation of intermittent capture in a patient who has undergone an urgent temporary transvenous pacemaker lead insertion

O Erdogan , A Altun

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey

Correspondence to:
Correspondence to:
Dr Okan Erdogan
Incirli cad Mine ap No: 72/19 Bakirkoy Istanbul, Turkey 34740; okanerdogan@yahoo.com

Submitted 23 June 2003
Accepted 22 July 2003

Answers on p 433.

The first 100% of the full text of this article appears below.

A 64 year old woman with a history of hypertension was admitted to our clinic because of recent onset dyspnoea and dizziness. A 12 lead surface electrocardiogram (ECG) showed complete atrioventricular block with an escape rate of 35 beats/min. A transvenous temporary pacemaker lead was immediately inserted through the right femoral vein. Capture threshold was within the acceptable range. During post-procedure observation in the coronary care unit it was realised that the temporary pacemaker was intermittently capturing. A 12 lead ECG was obtained and is shown in fig 1Go; the fluoroscopic view is shown in fig 2Go.


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  		Figure 1  Post-procedure paced ECG.

 

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  		Figure 2  Post-procedure right anterior oblique (RAO) and left anterior oblique (LAO) fluoroscopic views.

 

QUESTIONS
  1. Describe the ECG (fig 1Go).
  2. What do you see in the fluoroscopic view (fig 2Go)?


Relevant Article

Evaluation of intermittent capture in a patient who has undergone an urgent temporary transvenous pacemaker lead insertion
Postgrad. Med. J. 2004 80: 433. [Extract] [Full Text] [PDF]





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