n CME : Your SA Journal of CPD - Technology in cardiology : main topic

Volume 21, Issue 4
  • ISSN : 0256-2170



Clinical technology and cardiology have a synergistic relationship with regard to investigation and intervention. <br>Echocardiography complements clinical cardiology, but does not replace competent history taking and clinical examination. <br>Cardiac catheterisation and angiography still remain the 'gold standard' for most complex cardiac conditions. <br>Digital radiology systems allow image manipulation, measurement, instant replay and easy storage with less radiation. <br>Magnetic resonance imaging is the investigation of choice for aortic dissection and certain cardiomyopathies. <br>Conventional intracardiac contact arrhythmia mapping is adequate for the majority of arrhythmias that can be ablated. 3D mapping systems are useful in abnormal hearts or after surgery. <br>Most percutaneous cardiac intervention can be done using PTCA balloons and stents. Complex lesions occasionally may require other expensive techniques that are generally not needed; such as atherectomy and intravascular ultrasound. <br>Arrhythmia devices (pacemakers and ICDs) need careful follow-up with monitoring and interrogation, as adjustments after implantation may be necessary. <br>Great care must be taken with computer-generated interpretation of investigations (e.g. ECG), as reliance on this could potentially be dangerous. <br>Cardiac technology and information management have important associated ethical issues.

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