Atrioventricular block, primary
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Atrioventricular block, primary. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Atrioventricular block, primary. Wellcome Collection. Source: Wellcome Collection.