Assertion: cardiac muscle's period | /r/HasSubevent | different forms of re-entry
Facets:
Source sentences:
text: The cardiac refractory period can result in different forms of re-entry, which are a cause of tachycardia.[A: 1][B: 3] Vortices of excitation in the myocardium (autowave vortices) are a form of re-entry.