…significant geographical variations. Roughly 25% of children with congenital heart disease require intervention during their first year of life ( Triedman et al ). According to the…

ECG Hypertrophy and dilatation ECG and clinical characteristics in right ventricular hypertrophy (RVH) Figure 1. ECG changes seen in left ventricular hypertrophy (LVH) and right…

Cardiology Respiratory medicine Definition and Pathophysiology Pulmonary hypertension (PH) is a heterogeneous pathophysiological disorder characterized primarily by elevation of pulmonary arterial pressure. It may arise…

…explained by coronary heart disease, hypertension, valvular disease or congenital heart disease. Cardiomyopathy leads to impaired cardiac function and heart failure. There are six main…

Echocardiography Tricuspid valve stenosis Tricuspid stenosis is a rare condition that may be caused by rheumatic valvular disease, congenital heart disease, Whipple’s disease, or…

…definitions, management, and clinical characteristics. Ventricular tachycardia is a highly nuanced arrhythmia that originates in the ventricles. A wide range of conditions may cause ventricular…

…Denmark, Netherlands and United Kingdom reported a novel ECG syndrome characterized by widespread ST segment depressions and an increased risk of sudden cardiac arrest. They…

Cardiology Genetic and miscellaneous conditions Definition and classification Coronary anomalies are congenital abnormalities involving the origin, course, distribution, or termination of the coronary arteries. They…

Echocardiography Pulmonary (pulmonic) stenosis Pulmonary stenosis is virtually always a consequence of congenital heart disease. The stenosis can be fixed or dynamic, depending on the…

…Qp) to systemic blood flow (Qs). This measurement is pivotal in diagnosing and managing congenital or acquired cardiac shunts, such as atrial septal defects (ASD…

…to cardiomyopathies, channelopathies, heritable aortopathies, selected congenital heart diseases, pulmonary arterial hypertension and thromboembolic disorders. Most recognised heritable cardiovascular conditions demonstrate autosomal dominant transmission, in…

…are cysts and tumors of the pericardium, as well as congenital malformations leading to an incomplete or absent pericardium. In case of suspicion of pericardial…

…Medical conditions Category Condition Congenital conditions Jervell and Lange Nielsen syndrome Romano Ward syndrome Idiopathic congenital long QT syndrome (LQTS) Metabolic disorders Hypokalemia Hypomagnesemia Hypocalcemia…

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

…valve disease, coronary artery disease, cardiomyopathy, congestive heart failure, congenital heart disease, diabetes mellitus (both type 1 and type 2), obesity, smoking, obstructive sleep apnea…

…Marfan syndrome Takayasu's arteritis Iatrogenic (e.g complication of catheterization) Congenital dysplasia/aplasia of the pulmonary valve Idiopathic pulmonary artery dilation Pulmonary regurgitation results…

…that results from long QT syndrome (LQTS). TdP occurs exclusively in individuals with LQTS (congenital or acquired). The VT is polymorphic with a gradual alteration…

…termination, congenital absence or hypoplasia. Anomalous aortic origin of a coronary artery from the opposite sinus of Valsalva is associated with increased sudden death risk…

…pediatric patients, and young adults with congenital heart disease. Initiation Strategies Because of its ability to significantly prolong the QT interval and cause torsades de…

…that results from long QT syndrome (LQTS). TdP occurs exclusively in individuals with LQTS (congenital or acquired). The VT is polymorphic with a gradual alteration…

…dilated cardiomyopathy) Ischemic heart disease (coronary heart disease) Rheumatic valve disease Endocarditis Congenital mitral regurgitation Amyloidosis SLE Hypertrophic obstructive cardiomyopathy (HOCM) Rupture of papillary muscle…

…mitral valve orifice. There are many causes of mitral stenosis, the most common of which are rheumatic heart disease, congenital malformations, radiation complications, metastases, myxoma…