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Cardiac thromboembolism: cardiac sources of embolism

Echocardiography Cardiac thromboembolism Thromboembolism is a leading cause of death worldwide (1). Emboli originating in the atria, left atrial appendage (LAA), ventricles, valves, and proximal…

Atrial fibrillation: ECG, classification, causes, risk factors & management

…formation of thrombi in the left atrial appendage . Such thrombi may leave the appendage and enter the systemic circulation which causes thromboembolic occlusions of arteries…

The left ventricle in myocardial ischemia and infarction

…the atria and right ventricle, as compared with the left ventricle. Indeed, the atrial myocardium consists of such a thick layer that much of it…

Myocardial Mechanics: Structure and Function of Myocardial Fibers

…respectively. Figure 1. Layers of the left ventricular wall, pericardium and ventricular cavity. The endocardium The endocardium lines the atria, ventricles and the heart valves…

Alcohol and Cardiovascular Disease

…may be subclinical. Progressive dilation can subsequently impair left ventricular ejection fraction. Enlargement of the left ventricle predisposes to atrial and ventricular arrhythmias. In advanced…

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

…left coronary cusp (LCC), and noncoronary cusp (NCC), showing the same branches as in panel A for cross modality comparison. Clinical features Occlusion of the…

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…

Vulnerable Plaque and Mechanisms of Acute Coronary Occlusion

…myocardial necrosis. It most commonly reflects atherothrombosis: disruption of an atherosclerotic plaque followed by platelet activation and coagulation, with formation of an intraluminal thrombus. The…

The ECG in assessment of myocardial reperfusion

…are robust indicators of successful reperfusion (patent artery). This is also associated with better prognosis, return of R wave amplitudes, and improved left ventricular function…

Regional Myocardial Contractile Function: Wall Motion Abnormalities

…of the stenosis/occlusion, microvascular function, myocardial oxygen extraction, presence of collateral circulation, etc –ischemia may also develop during resting conditions. Indeed, in patients with…

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