See also: Pacemakers
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This ECG is from a woman in her 70s who was awoken with sharp chest pain on a background of cardiomyopathy, ICD and LVH.
This ECG shows paced rhythm with modified-Sgarbossa positive discordant ST elevation in I, aVL and V2. Angiogram did not find a culprit and echo did not find a wall motion abnormality. The cause remains a mystery.
This ECG is from a woman in her 60s who presented from a nursing home with altered mental status, hypotension, hypoxia and bradycardia. This was the repeat ECG after placement of a transvenous pacemaker.
This ECG shows a very wide ventricular paced rhythm with widespread excessive discordant ST elevation. The cause was hyperkalemia.
This ECG is from a man in his 70s who presented with intermittent dyspnoea and chest pain over the past 2 weeks. He had a history of a pacemaker, heart failure, aortic stenosis, diabetes, hypertension, stroke, ischemic heart disease, chronic kidney disease and peripheral vascular disease. This was his initial ECG.
This ECG shows a wide complex tachycardia with ventricular pacing. The excessively discordant ST changes in V4-6 and aVR suggested diffuse subendocardial ischemia. He was found to have severe three vessel disease and a proximal left circumflex stenosis was stented.
This ECG is from an elderly male who presented with chest pain. He has a pacemaker. This was his first prehospital ECG.
This ECG shows ventricular paced rhythm with concordant STE in aVR and concordant ST depression in II, III, aVF. The cause was most likely a proximal LAD or left main occlusion. This was missed and the patient died.
This ECG is from an elderly male who presented with chest pain. He has a pacemaker. This was his second prehospital ECG.
This ECG shows ventricular paced rhythm with excessive discordant ST elevation in V3 as well as concordant ST elevation in V2 and V4. The cause was most likely a proximal LAD or left main occlusion. This was missed and the patient died.
This ECG is from a middle-aged male who presented with paroxysmal nocturnal dyspnoea and hypoxia on a background of heart failure, biventricular pacemaker, ICD and previous LV thrombus.
This ECG shows biventricular paced rhythm with RBBB-like morphology and discordant ST elevation in I, aVL, V3-5 due to acutely decompensated heart failure.