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…

ArticleLungmedicin
Acute severe asthma in adults: quick reference

…by bronchospasm, mucosal oedema and mucus plugging. Expiratory flow limitation causes air trapping and dynamic hyperinflation. The consequences are increased work of breathing, exhaustion and…

ArticleKunskapsbas
🟠 Mean arterial pressure (MAP) calculator

…MAP is often estimated using the formula: MAP ≈ Diastolic Blood Pressure (DBP) + 1/3 × (Systolic Blood Pressure [SBP] – DBP) This formula accounts for the longer…

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

…fluid responsiveness poorly. Dynamic measures are better: a pulse pressure variation 13% in a ventilated patient in sinus rhythm without spontaneous breathing, passive leg raising…

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

…reflecting interactions between patient related, lesion related, device related, and procedural factors. Temporal classification Category Timing after stent implantation Acute 0–24 hours Subacute More…

ArticleCardiology
Coronary Artery Disease

…ST elevation myocardial infarction (STEMI) . Chronic Coronary Syndromes (CCS) Coronary artery disease is a progressive but dynamic disease. The majority of individuals in high income…

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…