Bacterial Infections Flashcards
__________ - is a skin disorder caused by bacterial infection and characterized by crusting skin lesions. It is a common skin infection.
Impetigo
True or False:
Impetigo may follow a recent upper respiratory infection, such as a cold or other viral infection. More superficial, involving infection of the top layers of the skin with streptococcus (strep), staphylococcus (staph), or both.
True
What age group Impetigo is most common?
children
What is the symptoms of Impetigo?
begins as an itchy, red sore that blisters, oozes and finally becomes covered with a tightly adherent crust.
True regarding Impetigo. Except:
- It tends to grow and spread
- Impetigo is not contagious
- The infection is carried in the fluid that oozes from the blisters.
- Rarely, impetigo may form deeper skin ulcers.
Except: 2
Impetigo is contagious
It is an inflammation of one or more hair follicles. The condition may occur anywhere on the skin. Can be superficial or deep.
Folliculitis
What are the causes of Folliculitis?
when hair follicles are damaged by friction from clothing
blockage of the follicle, or shaving.
In most cases of folliculitis, What bacteria is responsible?
staphylococcus
___________ - is a staph infection of the hair follicles in the beard area of the face, usually the upper lip. Shaving aggravates the condition.
Barber’s itch
What are the symptoms of Folliculitis?
Common symptoms include a rash, itching and pimples or pustules near a hair follicle in the neck, groin, or genital area. The pimples may crust over.
_________ - is a skin infection involving an entire hair follicle and nearby skin tissue. It is a type of deep folliculitis.
Furuncle
Furuncle is also known as:
Boil or Stye
Furuncles may occur in the hair follicles,
anywhere on the body. What areas are most common?
face, neck, armpit, buttocks and thighs.
What are the signs and symptoms of furuncles?
red tender nodule
Water filled balloon- like nodule
pus when furuncle is open
Painful ( ear canal or nose furuncles )
Furuncles are generally caused by:
staphylococcus aureus, but they may be caused by other bacteria or fungi.
Furuncles that develop close together may expand and join, causing a condition called:
carbunculosis
What are the complications of furuncles?
- Spread of infection to other parts of the body or skin surfaces
- Abscess formation
- Sepsis (general internal infection)
- Abscess of kidneys or other internal organs
- Osteomyelitis
- Endocarditis
- Brain infection
- Brain abscess
- Spinal cord infection
- Spinal cord abscess
- Permanent scarring
__________ - is a type of cellulitis generally caused by group A streptococcus bacteria. May affect both children and adults.
Erysipelas
________ - is a common, potentially serious bacterial skin infection. Appears as a swollen, red area of skin that feels hot and tender and it may spread rapidly.
Cellulitis
What are the risk factors associated with Erysipelas infection?
- cut in the skin
- skin ulcers
- problems with the drainage through the veins or lymph system.
In the past, the face was the most commonly involved site of infection, yet now accounts for only up to _______ of cases. The legs are affected in up to ______ of cases.
20%
80%
What are the symptoms of Erysipelas?
• Skin lesion with a raised border with map-like erythema (well-demarcated border)
- Painful, very red, swollen and warm skin underneath the lesion
- Facial erysipelas lesions on the cheeks and the bridge of the nose
- Blisters
- Fever, shaking and chills
What is the treatment for Erysipelas?
Anti-biotics such as penicillin are used to eliminate the infection. In severe cases, anti-biotics may need to be given through an IV (intravenous line).
Complications of Erysipelas. Except::
- Bacteremia
- septic shock
- Contractures
- recurrent infection
Except: 3
It is a usually a bacterial suppurative inflammation of the nail fold, surrounding the nail plate. It can also be caused by fungi.
Paronychia
