Myocardial ischemia and infarction Definition and Pathophysiology No reflow is impaired anterograde myocardial perfusion despite the absence of a flow limiting epicardial coronary stenosis. It…

…propagates along the wall, creating a true lumen and a false lumen separated by an intimal flap. Propagation may be antegrade or, less commonly, retrograde…

…are incorporated into the J CTO score, which estimates the likelihood of successful antegrade guidewire crossing within 30 minutes. The clinical rationale for CTO PCI…

…or diffuse disease. No reflow represents impaired antegrade myocardial perfusion in the absence of a flow limiting epicardial stenosis. It is associated particularly with intervention…

…of the heart. Accessory pathways (Kent's bundle) may be able to conduct the impulse from the atria to the ventricles ( antegrade direction ), from the…

…within minutes, hence its designation as the “widow maker.” Patients who survive long enough for clinical evaluation often have some residual antegrade flow, a dynamic…