Dermatology, Ulcer, Burns Flashcards
What would someone with Impetigo look like?
Red sores that can rupture & Ooze
Itching
HONEY COLORED CRUST
(anywhere in the body as it heals)
What are complications of Impetigo?
Sepsis
Cellulitis
Hypertensive Encephalopathy
Pulmonary Edema, Rheumatic Fever
Acute post-streptococcal glomerulonephritis
What’s the Pathophysiology of impetigo?
A Break in the skin that allows BACTERIA to enter
It affects Infants + Young children
What causes Impetigo?
Bacteria:
Streptococcus
Staphylococcus
How do you Diagnosed Impetigo?
History
Physical exam
CBC
Culture
How do you Treat impetigo?
ABX (Topical/Oral)
What would someone with Cellulitis look like?
Fever
Pain/Redness/Swelling/Edema
Lymphadenopathy (Proximal to sight of injury)
What are complications of Cellulitis?
Sepsis
Endocarditis
Osteomyelitis
Necrotizing Fasciitis
Abscess (If left untreated)
What’s the Pathophysiology of Cellulitis?
A Break in the skin that allows bacteria to enter causing INFLAMMATION OF SUBCUTANEOUS TISSUE
Occurs from injury, burns, surgical wounds
It affects (Feet/Legs) and Can be anywhere
What causes cellulitis?
Bacteria: Streptococcus
Staphylococcus
How do you diagnosed Cellulitis?
History
Physical exam
CBC
Culture
How do you Treat Cellulitis?
ABX (Oral/IV)
Prophylactic Compression Therapy
What would someone with MRSA look like?
Fever
Abscess/Pus
Drainage
What are Complications of MRSA?
Sepsis
Death
What’s the Pathophysiology of MRSA?
A break in the skin that allows STAPH BACTERIA to enter.
What causes MRSA?
How is MRSA spread?
Bacteria: Staphylococcus aureus
Contact with an infected person or Things carrying the bacteria
It spreads in Healthcare/Community Associated
Staph Bacteria is RESISTANT to ABX
How do you diagnosed MRSA?
History
Physical exam
CBC
Broth 🧪
Agar Test 🔬
How do you treat MRSA?
Vancomycin
Linezolid
What would someone with Herpes Zoster Shingles look like?
Pre-Eruptive phase:
Pain, Tingling in 1 or more Dermatome
Fever, Fatigue, Headache, Gi upset (1-10
Acute Eruptive phase:
Pain, Redness, Vesicles (1-Face/Torso)
Don’t cross the midline, Clear/Cloud 1/10
Clears in 2-4weeks
Chronic phase:
Nerve pain that last Months/Years
What are complications of Herpes Zoster Shingles?
Prosthetic Neuralgia
Pneumonia
Encephalitis
Blindness
Hearing Loss
DEATH
What’s the Pathophysiology of Herpes Zoster Shingles?
Varicella Zoster Virus causes Chickenpox in Childhood
After healing from chickenpox, the virus hides & comes back later causing “SHINGLES”. Immune system can’t hold it anymore.
What causes
Herpes Zoster Shingles?
Varicella Zoster Virus
What are Risk Factors for Herpes Zoster Shingles?
Age ⬆️
Weak immune system
Immunosuppressant Medication
How do you diagnose
Herpes Zoster Shingles?
History
Physical exam
CBC
PCR (Check Viral DNA) 🧬
DFA (Direct Fluorescent Antibody)
Tzanck smear
Treatment
Herpes Zoster shingles?
Antiviral (⬇️72 hours)
Analgesics
Steroids
Vaccination (60 and ⬆️)
What would someone with Tinea Capitis/Corporis look like?
Itching
Circular/Oval rash
What are complications of Tinea Capitis/Corporis?
Capitis: Abscess (Kerion)
Corporis: Dermatophytide
What’s the Pathophysiology of Tinea Capitis/Corporis?
Fungal infection of the skin {Scalp/Body}
Transferred from Person to Person/Animal
Contagious! (Spread via Bed, Towel, Hat, Grooming tools)
What causes
Tinea Capitis/Corporis?
Fungus
How do you diagnosed
Tinea Capitis/Corporis?
History
Physical exam
CBC
KOH Test [Skin scrapping via Potassium Hydroxide on wet mount]
Treatment of
Tinea Capitis/Corporis?
1% Selenium Sulfide shampoo
Anti-Fungal: Topical, Oral, IV
Tolnaftate
Clotrimazole
Miconazole
Haloprogrin
Griseofulvin
What would someone with Pediculosis Capitis look like?
SEVERE ITCHING in the head/Behind the ears
What are complications of Pediculosis Capitis?
infections (impetigo/pyoderma)
What’s the Pathophysiology of Pediculosis Capitis?
Lice 🕷️inject their juice into the skin & sucking your blood.
How do you diagnosed
Pediculosis Capitis?
History
Physical exam
CBC
Magnifying glass
Treatment of
Pediculodis Capitis?
Medicated Shampoo (Permerthrin 1%)
Bath with Soap/Water
Wash all clothes in Hot water