Anastomosis is a dangerous, acute complication and is common in some digestive surgery, possibly bowel surgery. The gastrointestinal junction should be found out the cause and treated as soon as possible to avoid causing serious conditions, including the risk of death.

Anastomosis fistula is one of the possible complications after a surgery to join two hollow organs in the gastrointestinal tract. This is also one of the scary complications in gastrointestinal surgery, a consequence of anastomosis leading to leakage of fluid from the gastrointestinal tract, prolonging the postoperative care period.

The number of patients bitten by snakes at medical facilities has increased. Especially due to improper first aid, or following folk experience, leading to late hospital examination and treatment, many patients may suffer from necrosis of limbs, coma, sepsis, and even death. Therefore, recognizing venomous snake bites and providing first aid for venomous snake bites properly is extremely necessary.

Leptospira is an acute infectious disease caused by the spirochete Leptospira. The disease can be found in many countries around the world. The disease is transmitted from animals to humans, through the skin and mucous membranes. Leptospira disease is characterized by systemic toxic septicemia syndrome and hepatorenal syndrome.