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

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

ArticleCardiology
Blood Pressure Targets in Older and Frail Adults

…preferably using validated clinical tests Ability to perform activities of daily living Cognitive status Risk of falls Symptoms or history suggesting orthostatic hypotension Multimorbidity Polypharmacy…

ArticleMyocardial ischemia and infarction
NSTEMI: Risk Stratification and Timing of the Invasive Strategy

…ACS may have substantial myocardial ischaemia, dynamic ECG abnormalities, myocardial necrosis, haemodynamic deterioration, heart failure, malignant arrhythmias, or mechanical complications. Risk assessment is intended to…

ArticleCardiology
Heart Failure with Reduced Ejection Fraction (HFrEF)

…fundamentally alters diagnostic work up and device therapy eligibility. Ischemic cardiomyopathy, defined by significant CAD (prior MI, diffuse microvascular dysfunction, or flow limiting epicardial stenoses)…

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

…another. A low blood pressure may be due to low flow, low vascular tone or both, and the appropriate action differs fundamentally between these cases…

ArticleCardiology
Coronary Anomalies and Myocardial Bridging

…involving the origin, course, distribution, or termination of the coronary arteries. They include anomalous aortic origin of a coronary artery (AAOCA), coronary fistulae, and myocardial…

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

…Extension of the original infarction or reinfarction Acute native vessel thrombosis Stent thrombosis Mechanical complications of myocardial infarction Pericarditis Dynamic recurrence of ST segment elevation…

ArticleEchocardiography
Stress Echocardiography: Protocols and Interpretation

…the setting of suspected ischaemia or previous infarction Dyspnoea requires assessment of dynamic LV function, valve disease, pulmonary pressure, or haemodynamics Stress imaging is not…

ArticleCardiology
Coronary Artery Disease

…artery disease has been classified into the following three syndromes: Stable angina pectoris : Symptoms appear primarily during exercise or other situations with increased myocardial load…

ArticleCardiology
Ventricular Tachycardia

…and axis, indicating a dynamic sequence of ventricular activation. PMVT is frequently associated with acute myocardial ischemia, electrolyte derangements, or underlying channelopathies (e.g., Torsades…

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…