Clinical Research Directory

Inclusion Criteria: 1. Any person ≥ 16 years-old suspected of having or diagnosed with congenital heart disease (CHD), other cardiovascular disease (CVD), pulmonary hypertension, connective tissue disease, or genetic syndrome/diagnosis. 2. Additionally, a cohort (Control group A) of control subjects will be enrolled, again ≥16 years-old, self-reported non-smokers without a known history of diabetes mellitus, myocardial infarction, stroke, heart failure, or chronic kidney disease. These controls will be either: 1. A family member or other person accompanying a patient to a clinical encounter; or, 2. A volunteer recruited via an advertisement; or, 3. Another person who volunteers to enroll in HIBR-ACHD. 3. A cohort (Control group B) of comparison subjects who do not have CHD, but have a diagnosis of heart failure or pulmonary hypertension. Exclusion Criteria: * Unable to provide informed consent/assent personally or via a legal guardian. * Considered unsafe to collect the biospecimen determined by either a clinical provider or an HIBR-ACHD investigator. * Overnight hospitalization for non-obstetric reason with discharge in the prior 30 days.