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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…

Vulnerable Plaque and Mechanisms of Acute Coronary Occlusion

…ischemia and infarction Definition and conceptual framework Acute coronary occlusion is the abrupt or progressive reduction of coronary blood flow sufficient to produce myocardial ischaemia…

Peripheral Artery Disease: Diagnosis, Ankle–Brachial Index and Risk Management

…PAD) is a clinical disorder caused by stenosis or occlusion of the aorta or arteries supplying the limbs. In adults over 40 years of age…

ST-Elevation Myocardial Infarction: Diagnosis and Electrocardiographic Criteria

…to thrombus formation and subsequent coronary occlusion. Plaque rupture typically involves a thin, collagen poor fibrous cap overlying a large lipid core with many macrophages…

Stent Thrombosis: Timing, Causes, Diagnosis, and Prevention

…ischemia and infarction Definition and pathophysiology Stent thrombosis is thrombotic occlusion arising within a coronary stent or at its margins after percutaneous coronary intervention (PCI)…

The T-wave: physiology, variants and ECG features

…women, respectively, should be considered abnormal. A common cause of abnormally large T waves is hyperkalemia, which results in high, pointed and asymmetric T waves…

STEMI (ST Elevation Myocardial Infarction): Diagnosis, ECG, Criteria, and Management

…greater extent of ischemia present in STEMI. In STEMI, a complete coronary artery occlusion leads to transmural ischemia, affecting a larger portion of the myocardium…

Acute coronary syndrome: quick reference for loading doses and time targets

…ischaemia, heart failure, electrical instability or a large area of myocardium at risk. Over 48 hours: urgent PCI is still indicated with continuing ischaemia, shock…

No-Reflow Phenomenon During Percutaneous Coronary Intervention: Prevention and Treatment

…clinical importance of the finding is related to the extent of myocardium at risk. Occlusion or impaired perfusion in a vessel supplying a large viable…

Periprocedural Myocardial Infarction After PCI and CABG

…Stent thrombosis Graft occlusion after CABG No reflow despite removal of an apparent epicardial stenosis The clinical consequences depend on the amount of viable myocardium…

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