Single Blind Randomized Study to Determine the Sensitivity and Specificity of 2 Non-invasive Markers of Early Coronary Disease

Diagonal ear lobe crease and microcirculatory disorder in the conjunctiva are both non invasive methods documented in the literature as early signs of coronary artery disease. We wish to study the sensitivity and specificity of both signs by conducting a single blind study involving patients with documented presence or absence of coronary artery disease via angiogram.