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ST-Elevation Myocardial Infarction: Diagnosis and Electrocardiographic Criteria

…entity requiring immediate reperfusion therapy. The pathophysiology of myocardial infarction injury involves the overlapping of vulnerable plaque and thrombogenic blood, which are critical determinants for…

Blood transfusion and massive haemorrhage

…screen is negative, a unit is selected electronically against the blood group Standard for planned transfusion in a patient without irregular red cell antibodies Serological…

Massive haemorrhage and transfusion: quick reference

…called critical administration threshold and identifies rapid bleeding better than the retrospective definition of at least 10 units of red cells in 24 hours [5]…

Tissue Doppler (Tissue Velocity Imaging)

Echocardiography Tissue Doppler (Tissue Velocity Imaging) Previous chapters on Doppler imaging have all focused on measurements of blood flow. However, the Doppler effect can also…

Upper gastrointestinal bleeding: quick reference

…early on does not exclude major bleeding. In acute blood loss, plasma and red cells are lost simultaneously, which means the haemoglobin can be normal…

Vulnerable Plaque and Mechanisms of Acute Coronary Occlusion

…pool, numerous macrophages or foam cells, and a thin fibrous cap. Disruption of the cap exposes the lipid core and extracellular matrix to circulating blood…

Bone marrow aspiration and biopsy

…necessary. After previous punctures: change side, and avoid irradiated fields. Preparation and equipment Informed consent, current full blood count and coagulation screen, medication list. Chlorhexidine…

Cryotherapy of skin lesions

…thawing, that a blister (sometimes a blood blister) is to be expected, that the area will be red and weeping for a week or so…

Color Doppler

…pulse repetition frequency (PRF) is reduced when obtaining both a 2D image and Doppler signals simultaneously. If the blood flow velocity exceeds the Nyquist limit…

Atrial fibrillation: quick reference for emergency management

…without delay, in any of the following: A systolic blood pressure < 90 mmHg caused by the arrhythmia. Ongoing myocardial ischaemia with chest pain and…

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