Abstract
Several new innovative cardiac devices have been created over the last few decades. Chest radiographs (CXRs) are the most common imaging investigations undertaken because of their value in evaluating the cardiorespiratory system. It is important for the interpreting radiologist to not only identify these iatrogenic objects but also to assess for their accurate placement, as well as for any complications related to their placement, which may be seen either on the immediate post-procedural CXR or on a follow-up CXR.
Highlights
Over the last few decades, several new innovative cardiac medical devices have been created
An implantable cardioverter defibrillators (ICDs) comprises of a single lead with one or two shock coils. As these shock coils are radiopaque, they can be readily identified on a CXR, enabling ICDs to be differentiated from a pacemaker
Http://www.sajr.org.za the right ventricular (RV) (Figure 5a and b). As these shock coils are radiopaque, they can be readily identified on a CXR, enabling ICDs to be differentiated from a pacemaker.[5,10,12]
Summary
Over the last few decades, several new innovative cardiac medical devices have been created. Almost all of the patients with implanted cardiac devices such as pacemakers, implantable cardioverter defibrillators (ICDs), cardiac resynchronisation therapy (CRT) devices, implantable loop recorders (ILR) and cardiac prosthetic valves undergo chest radiographs (CXRs) on a regular basis. ICD, implantable cardioverter defibrillators; SVC, superior vena cava; RA, right atrial; RV, right ventricular; LV, left ventricular; CIED, cardiac implantable electronic devices; CXR, chest radiographs; CRT, cardiac resynchronisation therapy; MRI, magnetic resonance imaging. As these shock coils are radiopaque, they can be readily identified on a CXR, enabling ICDs to be differentiated from a pacemaker.[5,10,12] A newer approach is to place a subcutaneous ICD lead to the left of the sternum (Figure 6). A recognised complication with the ADO, like the ASO, is device embolisation or migration (Figure 22a and b).[24]
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