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Interpretation of myocardial perfusion images (Myocardial SPECT / PET)

…thickness, often indicative of early or mild ischemia. Moderate defects : Associated with wall thinning, suggesting a more advanced level of ischemia or partial scarring. Severe…

Optimization of the ultrasound image

…identifying an overview image. Starting in the overview image the depth is reduced as much as possible, without excluding regions of interest. Reducing the depth…

Coronary Artery Calcium Scoring: Prognostic Use in Practice

…plaque. CAC nevertheless serves as a marker of the broader atherosclerotic process, including non calcified plaques that are not directly visualized by calcium scoring. In…

The QRS complex: ECG features of the Q-wave, R-wave, S-wave & duration

…7 ). The explanation for this is as follows: The vector resulting from activation of the right ventricle does not come to expression , because it is…

Ventricular Pressure-Volume Relationship: Preload, Afterload, Stroke Volume, Wall Stress & Frank-Starling's law

…to diastolic function. High compliance is desirable and means that the ventricle is capable of filling rapidly while operating at low end diastolic pressure. EDV …

Intensive care parameters

Referensvärden The values below are starting points, not aims in themselves. Almost all of them have proved to work better as ranges to stay within…

Warfarin therapy

…half life of several days and more than a hundred clinically relevant interactions. What determines whether the treatment is safe is not the starting dose…

Mitral regurgitation

…Ehlers Danlos syndrome), osteogenesis imperfecta typically causes prolapse of P2 (Figure 1). Myocardial ischemia affecting the papillary muscles or the connected myocardium may cause mitral…

Short Synacthen test

Procedurer The test measures the ability of the adrenal cortex to respond to maximal ACTH stimulation, and it is rarely the injection itself that determines…

Urinary alkalinisation

…of fluid overload — a relative contraindication requiring invasive monitoring and slower administration. Significant metabolic alkalosis or an arterial pH above 7.55 already before starting…

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