…Figure 1. Anatomy of the mitral valve The leaflets are connected to the papillary muscles via chordae tendineae (Figure 1). The anterolateral papillary muscle receives…

…heart disease) Rheumatic valve disease Endocarditis Congenital mitral regurgitation Amyloidosis SLE Hypertrophic obstructive cardiomyopathy (HOCM) Rupture of papillary muscle Rupture of chordae tendineae Figure 1…

…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…

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…

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…

…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…

…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…

…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…

…echocardiography. Causes of right ventricular hypertrophy Lung disease (with increased pulmonary vascular resistance), congenital heart disease (transposition of the great arteries, pulmonary valve stenosis, atrial…

…electrolyte disorders , congenital heart disease and catecholamine induced ventricular tachycardia . The vast majority of patients with ventricular tachycardia either have coronary artery disease (ischemic heart…

…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…

…References Jervell A, Lange Nielsen F. Congenital deaf mutism, functional heart disease with prolongation of the Q T interval and sudden death. Am Heart J…

…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…

…blood flow rather than pulmonary vascular disease. This state is termed unclassified PH. Potential explanations include congenital heart disease, liver disease, airway or lung disease…

…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…