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Woman, 46 years, complains of episodes of weakness, feeling of heat in the face, palpitations and tachycardia. Sometimes these symptoms make her wake up at night.
A routine follow-up twelve-lead ECG (Fig. 1) is performed in a 70 years old male patient implanted with a dual-chamber pacemaker for sick sinus syndrome two years ago (Model Reply DR, Sorin)
The following 12-lead electrocardiogram (ECG) tracing is provided from a 72 years old male patient implanted with a dual-chamber pacemaker (Medtronic Astra DR), when applying a magnet. He underwent three previous persistent atrial fibrillation and atrial tachycardia radiofrequency ablations, and an additional atrioventricular node ablation procedure (left ventricular ejection fraction 45%). The patient does not report any cardiovascular symptom.
Primary percutaneous coronary intervention (PCI) is the preferred reperfusion therapy for ST elevation myocardial infarction (STEMI) patients in the first 12 hours after symptom onset, provided it can be performed quickly (120 minutes from STEMI diagnosis) by an experienced team