Is the blueness on the leg related to myocardial ischemia?

Legs blue is generally not caused by myocardial ischemia, this symptom and myocardial ischemia has little to do with. The presence of trauma, leading to local skin capillary rupture is a common cause of this symptom. The presence of thrombocytopenia purpura, allergic purpura, aplastic anemia and other diseases in patients, patients with coagulation disorders in the body, can also cause this symptom.