…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…

…testing), and cardiac catheterization. Principles of management of congenital heart disease and GUCH Complex malformations often require intervention (surgical or catheter based intervention). In addition…

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…

…there is no consensus regarding grading of tricuspid stenosis severity. Tricuspid stenosis is visually characterized by thickened leaflets, with reduced motion and potentially fused commisures…

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

…autosomal dominant mechanisms. Complex or multifactorial genetic architecture. The inheritance pattern affects the appropriate scope and duration of family surveillance. For example, heterozygous carriers in…

…congenital heart disease. Cardiomyopathy leads to impaired cardiac function and heart failure. There are six main types of cardiomyopathy: Hypertrophic cardiomyopathy (HCM) — This type of…

…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…

…prolongation and torsade de pointes reported to the FDA in postmarketing studies. Anti androgen Cancer (Prostate) Abiraterone is an antiandrogen used in the treatment of…

ECG Introduction to ECG interpretation QT duration and corrected QT (QTc) duration ECG interpretation always includes an assessment of the QT interval (QT duration). The…

…ECG diagnosis and management Atrial fibrillation is the most common abnormal tachyarrhythmia (only sinus tachycardia is more common). The prevalence of atrial fibrillation correlates strongly…

…Carcinoid heart disease Tetralogy of Fallot Marfan syndrome Takayasu's arteritis Iatrogenic (e.g complication of catheterization) Congenital dysplasia/aplasia of the pulmonary valve Idiopathic…

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

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

…to prevent or treat acute and subacute ventricular arrhythmias. The Singh Vaughan Williams classification fails to clarify that the majority of these agents exert effects…

…A, Lange Nielsen F. Congenital deaf mutism, functional heart disease with prolongation of the Q T interval and sudden death. Am Heart J 1957;54…

…Potential explanations include congenital heart disease, liver disease, airway or lung disease, and hyperthyroidism; follow up and investigation of the cause of increased flow are…

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

…to prevent or treat acute and subacute ventricular arrhythmias. The Singh Vaughan Williams classification fails to clarify that the majority of these agents exert effects…

…imperfecta typically causes prolapse of P2 (Figure 1). Myocardial ischemia affecting the papillary muscles or the connected myocardium may cause mitral prolapse, and thus regurgitation…

…and P3 (posterior or lateral scallop). Figure 1. Anatomy of the mitral valve The leaflets are connected to the papillary muscles via chordae tendineae (Figure…