Bacterial Infections Caused by HACEK GROUP Gram-Negative with diagnosis Treatment Signs and symptoms

Hemophilus, Eikenella,Actinobacillus, Cardiobacterium, Kingella, this is HACEK GROUP of Gram-Negative bacteria,

Bacterial Infections Caused by HACEK GROUP Gram-Negative

INFECTIONS DUE TO HACEK GROUP AND OTHER GRAM NEGATIVE BACTERIA

• HACEK group of organisms is slow-growing Gram negative bacteria requiring an atmosphere of CO₂,
• These species are: —

• · Hemophilus

• · Actinobacillus

• · Cardiobacterium

• · Eikenella

• · Kingella.
  • HACEK reside in oral cavity and are associated with local infections of the oral cavity.
  • They can cause endocarditis on  native or prosthetic heart valves.

HACEK GROUP Gram-Negative Treatment

• Ceftriaxone – 2 g /day.
• Ampicillin – 2 g 4 hrly.
• Penicillin – 16 – 18 million units / day in divided doses + Gentamycin.