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Management of bradycardia (bradyarrhythmia)

…are at high risk of developing atrial fibrillation, and vice versa. The pathophysiological explanation for this may be a general degeneration of the atrial conduction…

Mitral regurgitation

…Idiopathic degeneration (Barlow's disease), degeneration associated with connective tissue disorders (Marfan syndrome, Ehlers Danlos syndrome), osteogenesis imperfecta typically causes prolapse of P2 (Figure 1…

Endocarditis: definitions, causes, diagnosis, echocardiography & treatment

…common agent. These streptococci most often originate from the oral cavity and affect heart valves that have some kind of damage, change or degeneration. Endocarditis…

Tricuspid regurgitation (TR/TI)

…Right ventricular infarction. Ebstein's anomaly (Figure 1). Carcinoid heart disease. Endocarditis (common in intravenous drug addicts). Myxomatous degeneration. Rheumatic heart disease. Dilatation of the…

Acute Aortic Syndromes: Intramural Haematoma and Penetrating Atherosclerotic Ulcer

…greater risk of progression or rupture than asymptomatic lesions. Predisposing conditions Aortic dissection and its variants are associated with conditions that cause medial degeneration or…

Assessment of diastolic function by echocardiography

…pressure via e' . Measurement of deceleration time (DT) . Diastolic function can be estimated from E/A ratio, e' and deceleration time (DT). These three methods…

🟠 Antiarrhythmic drugs in acute ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation)

…episodes of sustained VT, VF, or appropriate shocks from an ICD within 24 h. Classification of ventricular tachycardia (VT). ECG showing polymorphic ventricular tachycardia degenerating…

Antiarrhythmic drugs in ventricular tachyarrhythmias

…episodes of sustained VT, VF, or appropriate shocks from an ICD within 24 h. Classification of ventricular tachycardia (VT). ECG showing polymorphic ventricular tachycardia degenerating…

Arrhythmias before and during cardiac arrest

…tachyarrhythmias, of which 45% were VT degenerating into VF. 27% were caused by bradyarrhythmia, of which 74% were asystole and 26% were AV blocks. These…

🟠 Pulmonary valve

…abnormal Density CW Doppler weak, slow deceleration variable dense, steep deceleration, early termination of diastolic flow Jet width colour Doppler small,, < 10 mm length…

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