44 träffar

ArticleArrhythmias and arrhythmology
Acquired QT Prolongation and Drug-Induced Arrhythmia

…TdP). Drug induced LQTS and TdP represent a multifactorial clinical entity that typically emerges when multiple modifiable and non modifiable risk factors converge. The electrophysiological…

ArticleProcedurer
Lumbar puncture

…or non diagnostic CT. Suspected neuroborreliosis, neurosyphilis or another CNS infection. Suspected inflammatory disease: multiple sclerosis, Guillain–Barré syndrome, autoimmune encephalitis. Meningeal carcinomatosis and CNS…

ArticleKunskapsbas
🟠 SYNTAX Score

…of CAD, particularly in patients with multivessel disease or left main coronary artery disease . It integrates multiple variables, including the number of lesions, their location…

ArticleCardiology
Dietary Patterns and Cardiovascular Outcomes

…effect is therefore likely to result from the cumulative influence of multiple modest dietary changes. Mediterranean type diets provide polyphenols from extra virgin olive oil…

ArticleCardiology
Spontaneous Coronary Artery Dissection

…divided into three angiographic patterns: Type Angiographic appearance Diagnostic considerations Type 1 Contrast staining of the arterial wall with multiple lumens or radiolucent channels The…

ArticleEchocardiography
Aortic stenosis

…A Streptococcus ). Rheumatic heart disease can occur at any age and multiple valve lesions are common (typically the aortic and mitral valve). Rheumatic heart disease…

ArticleEchocardiography
Artifacts in ultrasound imaging

…Gallstone causing acoustic shadowing. Reverberations artifacts Ultrasound waves can be reflected multiple times between dense structures ( i.e structures with high echogenicity). For each reflection…

ArticleEchocardiography
Proximal Isovelocity Surface Area (PISA)

…a liquid approach a circular opening. The flow profile gradually assumes the shape of a hemisphere with multiple layers. Flow velocity is equal within each…

ArticleEchocardiography
Relaxation of the left ventricle

…true; the stiffer the myocardium, the slower and less pronounced the relaxation. Left ventricular compliance Multiple factors affect ventricular compliance. These factors include age, afterload…

ArticleContinous medical discussion: the ECG blog
A new ECG biomarker for sudden cardiac death

…from the ECG, without echocardiography. They then stress tested the model against multiple outcome definitions and validated it, with no fine tuning, in geographically and…

ArticleCardiology
Aspirin in Primary Prevention: Current Recommendations

…70 years Male sex Previous upper gastrointestinal disease Hepatic or renal disease Multiple cardiovascular risk factors Concomitant nonsteroidal anti inflammatory drugs Corticosteroid therapy Other antiplatelet…

ArticleCardiology
Coronary CT Angiography and CAD-RADS Reporting

…lumen and plaque morphology. Pathophysiological and Imaging Basis CT generates cross sectional images from x ray attenuation measurements obtained at multiple angles. Tissue attenuation is…

ArticleEchocardiography
Left Ventricular Thrombus After Myocardial Infarction

…increased embolic potential include: Greater thrombus mobility. Protrusion into the LV cavity. Visualization on multiple imaging planes. Location adjacent to hyperkinetic myocardium. Large thrombus burden…

ArticleEchocardiography
Cardiac tumors

…often exhibit multiple villi . These myxomas are more likely to embolize (Cardiac Thromboembolism). There are genetic syndromes that result in the emergence of multiple myxomas…

ArticleEchocardiography
Optimization of the ultrasound image

…occurs with increasing depth. TGC is adjusted using multiple controls that each represent a specific depth in the image (Figure 1). The bottom control adjusts…

ArticleCardiology
Pharmacologic agents in myocardial perfusion imaging

…dosing is not weight based, simplifying administration. Dipyridamole Dipyridamole has multiple targets that contribute to its vasodilatory effects. It inhibits phosphodiesterases, particularly PDE3 and PDE5…

ArticleEchocardiography
Tricuspid regurgitation (TR/TI)

…Thickness, mobility and coaptation of the leaflets are assessed visually in multiple views. It should be noted that imaging of the right ventricle requires an…

ArticleEchocardiography
Assessing left ventricular systolic function

… LVESD = left ventricular end systolic diameter; The fraction is multiplied by 100 to obtain percentage (%). Normal FS 25% (M Mode) 18% (Direct 2 D…