5.1.1.1 HACEK group Flashcards
Normal Biota for HACEK group?
Oral biota
Gram stain for HACEK?
Gram negative
What is the Gaseous composition for HACEK group?
Capnophilic
All group in HACEK are Dysgonic (SLow or poorer growing) except?
Haemophilus
What is the clinical infection specifically for HACEK?
Endocarditis
What individual is susceptible for HACEK group?
Immunocompromised patitents
What are the bacteria in HACEK group?
Haemophilus (Aggregatibacter aphrophilus, Haemophilus paraphrophilus)
Aggregatibacter actinomycetemcomitans
Cadiobacterium hominis
Eikenella corrodens
Kingella spp.
What are the risk factors of subacute bacterial endocarditis? (SBE)
Tooth extration
History of endocarditis
Gingival surgery
Heart valve surgery
Mitral valve prolapse
How any procedure in the mouth may cause infection of the HACEK group?
Due to penetration in the oral cavity, HACEK bacteria may cause infection
What will happen if there is dental plaque in the biofilm?
indicator for microorganisms in the teeth
What will happen if you undergo tooth extraction while there is dental plaque?
- bacteria will enter in the blood steam (Bacteremia)
- enters the inner lining of the heart valve
- infects the mitral valve or the aortic valve
Responsible for preventing the backflow of blood in the heart?
Mitral and aortic valve
Location of Mitral and aortic valve is located in which side of the heart?
Left
What happens when HACEK penetrates and infects heart valve?
Creates vegetation (Lesion)
NOTE: Vegetation consists of Leukocyte, platelets, bacteria, and protein