…left main coronary artery stenosis Moderate to severe aortic stenosis with uncertain relation to symptoms Tachyarrhythmias with uncontrolled ventricular rates Acquired advanced or complete heart…

…plaque, and the severity and distribution of coronary stenosis. Modern cardiac CT can acquire a three dimensional cardiac dataset within approximately 5–15 seconds, with…

…Acquired long QT syndrome (LQTS) is characterised by an abnormal prolongation of the QT interval on the surface electrocardiogram (ECG), which predisposes the myocardium to…

…7 : Significant right to left shunt (e.g., Eisenmenger syndrome). Qp/Qs ≈ 1 : Normal, no significant shunt. Clinical Relevance of Shunt Fraction Diagnosis of Shunt…

…8 days including oral step down Hospital acquired pneumonia, severe piperacillin–tazobactam 4 g × 4 IV Exacerbation of COPD with an indication for antibiotics amoxicillin…

…The interaction between these acquired risks and age related cardiovascular remodeling contributes to the high incidence and prevalence of coronary and vascular disease in older…

…to life threatening ventricular arrhythmias and therefore QT duration must always be assessed. QT prolongation may be congenital (due to genetic mutations) or acquired (secondary…

…Usage of M mode M mode is commonly used to complement the examination of the following structures: Left ventricular (LV) dimension and function. Right ventricular…

…with LQTS (congenital or acquired). The VT is polymorphic with a gradual alteration in the QRS amplitude, often with twisting of the QRS complex around…

…plexogenic, and sometimes thrombotic changes that may result in near total obliteration of affected vessels. Genetic, molecular, and acquired factors may interact in its development…

…with LQTS (congenital or acquired). The VT is polymorphic with a gradual alteration in the QRS amplitude, often with twisting of the QRS complex around…

…causes of acute aortic regurgitation are aortic dissection , endocarditis and trauma . Chronic aortic regurgitation If aortic regurgitation develops gradually, then the ventricle will adapt to…

…understanding of these mechanisms is not essential for all clinicians, it is reasonable to acquire an understanding of the overarching concepts. Arrhythmogenesis (mechanisms of arrhythmias…

…is one of the most comprehensive blogs in practical ECG interpretation. Taught by professor Smith, any reader is guaranteed to quickly acquire state of the…

…the index marker. Image quality Various methods for optimizing image quality have been discussed earlier (refer to Optimization of the ultrasound image). Only the key…