16 träffar

ArticleEchocardiography
Two-dimensional (2D) echocardiography

…sequential activation of the piezoelectric crystals. The crystals are activated from one side to the other, as illustrated in Figure 2. The sequence of activation…

ArticleEchocardiography
Relaxation of the left ventricle

…Increased afterload causes impaired diastolic function. Myocardial synchronization Myocardial synchronization refers to the sequence of activation of the ventricular myocardium. The ventricles should be depolarized…

ArticleEchocardiography
Technical aspects of the ultrasound image

…focusing ultrasound waves The direction and focus of ultrasound waves can be adjusted by varying the sequence of activation of the piezoelectric crystals (Figure 3…

ArticleCardiology
The ischemic cascade

Cardiology The ischemic cascade The ischemic cascade describes the sequence of events during myocardial ischemia, beginning with perfusion abnormalities and ultimately leading to chest pain…

ArticleCardiology
Ventricular Tachycardia

…PMVT): Characterized by a continuously changing QRS morphology and axis, indicating a dynamic sequence of ventricular activation. PMVT is frequently associated with acute myocardial ischemia…

ArticleArrhythmias and arrhythmology
Vasovagal Syncope: Diagnosis, Tilt Testing and Treatment

…and finally a reduction in heart rate. This sequence is characteristic of neurally mediated hypotension. Clinical Presentation and Symptoms Vasovagal syncope is frequently preceded by…

ArticleCardiology
Cardiac amyloidosis

…sporadic, age related disease characterized by a normal TTR genetic sequence [9, 19]. It is currently considered the most frequent form of CA worldwide [15]…