MedGen

Arrhythmogenic right ventricular cardiomyopathy (ARVC) – previously referred to as arrhythmogenic right ventricular dysplasia (ARVD) – is characterized by progressive fibrofatty replacement of the myocardium that predisposes to ventricular tachycardia and sudden death in young individuals and athletes. It primarily affects the right ventricle, and it may also involve the left ventricle. The presentation of disease is highly variable even within families, and some affected individuals may not meet established clinical criteria. The mean age at diagnosis is 31 years (±13; range: 4-64 years). [from GeneReviews]

Arrhythmogenic right ventricular cardiomyopathy (ARVC) – previously referred to as arrhythmogenic right ventricular dysplasia (ARVD) – is characterized by progressive fibrofatty replacement of the myocardium that predisposes to ventricular tachycardia and sudden death in young individuals and athletes. It primarily affects the right ventricle, and it may also involve the left ventricle. The presentation of disease is highly variable even within families, and some affected individuals may not meet established clinical criteria. The mean age at diagnosis is 31 years (±13; range: 4-64 years). [from GeneReviews]

Atrial standstill (AS) is a rare condition characterized by the absence of electrical and mechanical activity in the atria. On surface ECG, AS is distinguished by bradycardia, junctional (usually narrow complex) escape rhythm, and absence of the P wave. Nearly 50% of patients with AS experience syncope. AS can be persistent or transient, and diffuse or partial (summary by Fazelifar et al., 2005). [from OMIM]

A localized outpouching of ventricular cavity that is generally associated with dyskinesia and paradoxical expansion during systole. [from HPO]