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ECG manifestations of left main coronary artery (LMCA) occlusion and critical stenosis

…coronary artery occlusion Left main coronary artery (LMCA) occlusion is a rare but catastrophic manifestation of acute coronary syndromes. The LMCA supplies a large myocardial…

Posterior acute myocardial infarction (STEMI)

…with large R waves ( Figure 2 shows right ventricular hypertrophy). The following rules will distinguish the two conditions in the vast majority of cases: Right…

Pulmonary Embolism (PE)

…and form of the thrombus, it will occlude the main pulmonary artery or its branches. The larger the thrombus, the more proximal the occlusion and…

ST-Elevation Myocardial Infarction Complicated by Cardiogenic Shock

…lesions can cause acute severe regurgitation, a left to right shunt, tamponade, or sudden loss of effective cardiac output. Their recognition is essential because treatment…

ST elevation myocardial infarction (STEMI) without ST elevations on 12-lead ECG

…that posterolateral and right ventricular infarction may occur simultaneously (if both territories are affected by the same artery occlusion). Approximately 30% of patients with posterolateral…

ECG localization of myocardial infarction / ischemia and coronary artery occlusion (culprit)

…artery occlusion is located. The term culprit – which means "the guilty one" – is used to denote the occluded coronary artery. In the majority of cases…

Cardiac thromboembolism: cardiac sources of embolism

…a cerebral artery is occluded due to local atherothrombosis or occlusion due to embolization. Approximately 30% of all ischemic strokes are caused by cardiac embolism…

The left ventricle in myocardial ischemia and infarction

…left ventricular wall in over 90% of all individuals. Hence, a proximal occlusion (in the RCA) which cuts off blood flow to the right ventricle…

ST-Segment Elevation Myocardial Infarction: Diagnosis and ECG Criteria

…The severity of ischaemia and whether infarction has occurred The extent and degree of myocardial involvement The anatomical territory, including anterior, inferoposterolateral or right ventricular…

ST segment depression in myocardial ischemia and differential diagnoses

…not be depolarized via the Purkinje network, but rather via spread of the depolarization from the right ventricle. The abnormal ventricular depolarization will cause an…

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