Temporary venous pacemaker

Case contributed by Ashesh Ishwarlal Ranchod
Diagnosis certain

Presentation

The patient presents with a complete heart block and cardiac failure. There is a new onset of dyspnea and decreased effort tolerance with ongoing syncope.

Patient Data

Age: 80 years
Gender: Male

Mobile, supine

x-ray
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Info

Mobile imaging performed in a cardiac ICU setting. The lung fields are reasonably inspired with ill-defined parenchymal shadowing likely representing a combination of pulmonary edema, aspiration change and possible supra-added parenchymal sepsis. There are bibasal effusions, the right greater than the left. There is an ill-defined cardiomediastinal contour, with an LV cardiac configuration. There are overlying ECG leads. There is a femoral venous access temporary single lead pacemaker terminating in the right ventricular apex.

Case Discussion

An example of a single lead, temporary cardiac pacemaker, inserted via the femoral vein with the lead terminating in the right ventricular apex. This appears low-lying however was confirmed to be intracardiac on CT (not uploaded).

In the absence of a given history, it may be difficult to realize the insertion of a temporary external pacemaker, and one can easily overlook this finding when reporting the X-ray.

The patient presents with a complete heart block, and this is a temporary emergency insertion until more definitive management is determined and afforded to the patient.

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