Medical imaging apparatus for imaging blood flow, tissue perfusion, wound healing, viable and nonviable tissue, and wound, burn, sore, skin, and sub-skin conditions; Medical imaging diagnostic apparatus for detecting viable skin; Medical imaging diagnostic apparatus for detecting viable and nonviable tissue and skin; Medical imaging apparatus for detecting sub-skin conditions; Medical imaging apparatus for use to observe and analyze changes in tissue perfusion and blood flow and diagnosing viable and nonviable tissue and skin; Medical imaging apparatus for screening and imaging the skin and tissue for medical purposes