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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

…disease typically results in thickening of the leaflets and may coexist with mitral stenosis. Idiopathic degeneration (Barlow's disease), degeneration associated with connective tissue disorders…

Endocarditis: definitions, causes, diagnosis, echocardiography & treatment

…oral cavity and affect heart valves that have some kind of damage, change or degeneration. Endocarditis with alpha streptococcus is most often subacute and can…

Tricuspid regurgitation (TR/TI)

…apically (<0.8 mm / m 2 BSA [body surface area]). Approximately 85% 90% of healthy individuals in the general population exhibit a small tricuspid regurgitation…

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)

…due to sinus pause or post VPC pause) results in augmentation of early afterdpolarization amplitude (typically seen with large T wave amplitude), and QT prolongation…

Antiarrhythmic drugs in ventricular tachyarrhythmias

…due to sinus pause or post VPC pause) results in augmentation of early afterdpolarization amplitude (typically seen with large T wave amplitude), and QT prolongation…

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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