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A dog bite is a bite upon a person or other animal by a dog. More than one successive bite is often called a dog attack , although dog attacks can include knock-downs and scratches. Though some dog bites do not result in injury , they can result in infection , disfigurement , temporary or permanent disability , or death .
A red blood cell in a hypotonic solution, causing water to move into the cell A red blood cell in a hypertonic solution, causing water to move out of the cell. Hemolysis or haemolysis (/ h iː ˈ m ɒ l ɪ s ɪ s /), [1] also known by several other names, is the rupturing of red blood cells (erythrocytes) and the release of their contents into surrounding fluid (e.g. blood plasma).
Pasteurella canis is a Gram-negative, nonmotile, penicillin-sensitive coccobacillus of the family Pasteurellaceae. [1] Bacteria from this family cause zoonotic infections in humans, which manifest themselves as skin or soft-tissue infections after an animal bite.
About 26% of dogs carry these commensal bacteria in their mouths. C. canimorsus rarely causes disease symptoms in animals. One case of C. canimorsus isolated from a dog bite wound on a small dog's head has been reported; the bacteria were localized to the wound and the dog did not present with bacteremia. A few cases of infection have been ...
In humans, P. multocida is the most common cause of wound infections after dog or cat bites. The infection usually shows as soft tissue inflammation within 24 hours. High leukocyte and neutrophil counts are typically observed, leading to an inflammatory reaction at the infection site (generally a diffuse, localized cellulitis). [8]
Pasteurellosis is an infection with a species of the bacterial genus Pasteurella, [1] which is found in humans and other animals. Pasteurella multocida (subspecies P. m. septica and P. m. multocida) is carried in the mouth and respiratory tract of various animals, including pigs. [2] It is a small, Gram-negative bacillus with bipolar staining ...
C. canimorsus and C. cynodegmi are commonly transmitted by dog bites and known to cause sepsis, potentially complicated by thrombotic thrombocytopenic purpura and hemolytic uremic syndrome, in immunocompromised patients. [8] Other complications from infection can include heart attack, kidney failure, gangrene and amputation of limbs. [9]
Human bites are the third most frequent type of bite after dog and cat bites. [6] Dog bites are commonplace, with children the most commonly bitten and the face and scalp the most common target. [14] About 4.7 million dog bites are reported annually in the United States. [15] The US estimated annual count of animal bites is 250,000 human bites ...