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Immediate Management of Type A and Type B Aortic Dissection

…Chronic: more than 90 days. The central clinical danger is progressive aortic wall disruption, rupture and compromise of branch vessels. Type A disease may cause…

The Fourth Universal Definition of Myocardial Infarction: Types 1–5

…1 myocardial infarction Definition and pathophysiology Type 1 MI results from acute coronary atherothrombosis. It is usually precipitated by disruption of an atherosclerotic plaque through…

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…

Relaxation of the left ventricle

…ventricle. Disturbance in ventricular relaxation results in the disruption of pressure conditions in the left ventricle. Ventricular pressure should drop rapidly and substantially during diastole…

Fourth Universal Definition of Myocardial Infarction: Types 1–5

…of acute myocardial ischaemia. The Fourth Universal Definition classifies MI into five distinct subtypes based on pathophysiology and clinical context: Type 1 MI: Caused by…

Risk factors for sudden cardiac arrest

…40–70% of all deaths from coronary artery disease ( Kannel et al, Demirovic et al ). As described by Myerburg et al and Marijon et al…

Diagnostic Criteria for Acute Myocardial Infarction: Cardiac troponins, ECG & Symptoms

…highly thrombogenic materials which activate circulating platelets and coagulation factors, which results in thrombus formation (Figure 1). Disruption of an atherosclerotic plaque may also release…

Myocardial Ischemia & infarction: Cellular changes, ECG and symptoms

…supply results in diminished ATP production and subsequently disruption of cellular metabolism. In case of ischemia, cardiac myocytes protect themselves by switching to anaerobic metabolism…

Atherosclerosis: Pathogenesis from Fatty Streak to Plaque Rupture

…episodic plaque disruption followed by thrombosis. Atherosclerotic disease usually evolves over decades. Intimal thickening may be present during the second and third decades of life…

Post-Infarction Mechanical Complications: Ventricular Septal, Free-Wall, and Papillary Muscle Rupture

Echocardiography Myocardial ischemia and infarction Definition and pathophysiology Post infarction mechanical complications are structural disruptions of acutely infarcted myocardium occurring most often during the first…

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