Medical director. Within emergency medical services a medical director is a physician who provides guidance, leadership, oversight and continuous quality improvement (CQI) for the practice of local EMTs and paramedics within a predefined area.
It may be as tiny as the top of a pin or up to 5 millimeters wide. A larger blister is called a bulla. In many cases, vesicles break easily and release their fluid onto the skin. When this fluid dries, yellow crusts may remain on the skin surface.
Bullous pemphigoid is an uncommon skin condition that affects dogs, and is characterized by the appearance of fluid or pus filled blisters, and severe open sores on the skin and/or mucus-lined tissue of the mouth.ullous pemphigoid is found in two forms: the common blister (bullous) form and the relatively rare long-term (chronic) form. The bullous form is characterized by open sores, short-term blisters, and circular lesions on the top layer of skin.