29 träffar

ArticleEchocardiography
Pulmonary stenosis

…pulmonic) stenosis Pulmonary stenosis is virtually always a consequence of congenital heart disease. The stenosis can be fixed or dynamic, depending on the underlying etiology…

ArticleKunskapsbas
🟠 Mean arterial pressure (MAP) calculator

…or vascular tone can significantly impact MAP, reflecting the dynamic interplay between cardiac function and vascular resistance. Advantages of measuring MAP over systolic blood pressure…

ArticleEmergency medicine
Acute Coronary Syndrome: Definitions and Initial Triage

…presentations caused by suspected acute myocardial ischaemia. It includes patients with recent changes in symptoms or clinical signs, with or without diagnostic electrocardiographic abnormalities and…

ArticleCardiology
Blood Pressure Targets in Older and Frail Adults

…patients. Frailty is characterized by reduced physiological reserve and increased vulnerability to adverse outcomes. It is dynamic and may improve or worsen with illness, treatment…

ArticleCardiology
Heart Failure With Mildly Reduced Ejection Fraction

…persistently mildly reduced systolic function. This dynamic nature makes prior imaging particularly important when interpreting a current LVEF of 41–49%. Diagnostic phenotype Criterion HFmrEF…

ArticleEchocardiography
Technical aspects of the ultrasound image

…solve this, there is a built in function, called dynamic focusing , which calculates which ultrasound waves that originate from the same reflection point. Reflected ultrasound…

ArticleReferensvärden
Circulatory and haemodynamic parameters

Referensvärden Haemodynamic measurements become interpretable only when related to one another. A low blood pressure may be due to low flow, low vascular tone or…

ArticleCardiology
Coronary Anomalies and Myocardial Bridging

…length, depth, and location, as well as related biomechanical and fluid dynamic factors. Increased thickness and length, and a more proximal vessel location, are associated…

ArticleMyocardial ischemia and infarction
Stent Thrombosis: Timing, Causes, Diagnosis, and Prevention

…platelet rich because they form under high shear conditions. Disruption of an atherosclerotic plaque or injury associated with PCI exposes thrombogenic material, promoting platelet activation…

ArticleCardiology
Coronary Artery Disease

…disease is part of the broader syndrome of chronic coronary syndromes (CCS) . This syndrome includes six clinical manifestations of coronary artery disease (discussed below). Moreover…

ArticleCardiology
Ventricular Tachycardia

…trials, the field has transitioned from a predominantly pharmacological strategy to one that heavily integrates early catheter ablation and sophisticated device therapy [1] [2] . This…

ArticleEchocardiography
Hemodynamic principles and calculations

Echocardiography Calculation of hemodynamic parameters by ultrasound Hemodynamics is the study of blood flow dynamics. The physical laws that govern blood flow are fundamental in…