Scared patient medical green blood
In 2007, a well-worn Canadian surgeons had to endure quite a shock. From the patient, which they began to operate, suddenly started to bleed ... dark green color. As in alien.
After blood tests revealed that the patient suffers sulfogemoglobinemiey - This disease occurs when the sulfur atom is attached to hemoglobin, changing its structure. The color of blood varies, too.
This is a disease developed in the Canadian due to abuse of medication for migraine which comprises a sulfonamide. The patient is advised to refrain from taking these pills, and after a few weeks his blood again turns red. As a rule, themselves owners of green blood is not worried.