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Atherosclerosis: Pathogenesis from Fatty Streak to Plaque Rupture

…and thrombosis interact to produce focal arterial lesions. Although epicardial coronary arteries are a major site of disease, atherosclerosis is systemic and may affect multiple…

ST-Elevation Myocardial Infarction: Diagnosis and Electrocardiographic Criteria

…proportion of painless or silent STEMIs is greater in patients with diabetes mellitus and increases with age. STEMI may present as sudden onset breathlessness. Other…

Colchicine and Anti-inflammatory Therapy in Coronary Disease

…neutrophil chemotaxis toward inflammatory sites. Its cardiovascular effects therefore appear to reflect modulation of vascular inflammation rather than lipid lowering. Other anti inflammatory strategies have…

Complications of Coronary Angiography and Vascular Access Management

…complications than femoral access. In patients with acute coronary syndrome, randomized evidence has demonstrated lower rates of access site bleeding, surgical repair, and blood transfusion…

Perioperative Management of Patients with Cardiac Implantable Electronic Devices

…other electronic equipment may also interfere with device function. The clinical consequences depend on the device, the patient's dependence on pacing, the presence of…

The electrical axis of the heart (ECG axis)

…12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation Left bundle branch block. Left ventricular hypertrophy…

The electrical axis of the heart (heart axis): ECG & physiology

…12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation Left bundle branch block. Left ventricular hypertrophy…

Vulnerable Plaque and Mechanisms of Acute Coronary Occlusion

…myocardial oxygen supply and demand. In many cases, the initiating process is plaque disruption with thrombosis; other cases result from spasm, microvascular dysfunction, embolism, dissection…

Central venous catheter

…different position or a different vessel. Choice of site Vessel Advantages Disadvantages : : : Internal jugular vein (right) Best ultrasound conditions, a straight course to the superior…

Dix–Hallpike test and Epley manoeuvre

…1. The patient sits upright on the couch, far enough forward that the head will extend beyond the end of the couch when laid down…

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