…precludes safe and adequate testing Relative contraindications Known obstructive left main coronary artery stenosis Moderate to severe aortic stenosis with uncertain relation to symptoms Tachyarrhythmias…

…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…

…to 10% of patients receiving antiarrhythmic agents, and this risk is amplified in the presence of heart failure. Clinical Presentation and Symptoms Patients with acquired…

…to quantify the ratio of pulmonary blood flow (Qp) to systemic blood flow (Qs). This measurement is pivotal in diagnosing and managing congenital or acquired…

…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…

…and physical inactivity. The interaction between these acquired risks and age related cardiovascular remodeling contributes to the high incidence and prevalence of coronary and vascular…

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

…useful for quantifying the mobility of structures and measuring dimensions. In order to obtain representative measurements, it is pivotal to align the M mode line…

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

…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…