Infectious
Cellulitis is most often caused by these 2 organisms
What is Staph aureus and GAS?
Fun fact! In some texts, erysipelas is considered a form of Cellulitis!
This condition has iris and target lesions and is most often follows an infection
What is Erythema multiforme?
Supportive treatment
Acne can present with these 4 lesion types
What are papules, pustules, nodules and cysts?
severe acne we treat with oral isotretinoin (Accutane) but must ensure patients do not get pregnant while on this medication
These are the 5 mechanisms of burns
What are heat, electrical discharge, friction, chemical, and radiation?
Use the rule of 9s to calculate TBSA
Type I skin response to sun
What is always burn and never tans?
This lesion most often found in children has a dimpled center and centrally umbilicated
What is molluscum contagiosum?
Treatment is often not necessary
The distribution of this skin condition differs with age groups
What is atopic dermatitis?
genetics plays a role in 50% of cases have a deficiency of epidermal protein - filaggrin
A potentially fatal autoimmune condition that causes intradermal blisters
What is Pemphigus Vulgaris?
Oral lesions may precede skin involvement unlike Bullous pemphigoid where mucous membrane involvement is rare
This used to be known as a second degree burn
What is a partial thickness burn to include - superficial and deep
4th-degree burns are painless - nerve endings are destroyed and injury goes beyond the epidermis, dermis, underlying tissue and can involve muscle, bone, and organs
These lesions are often pigmented with a warty stuck on appearance
What are seborrheic keratoses?
these lesions are not pre-cancerous and don't need to be treated unless they are irritated, itchy or really ugly (and the patient wants them removed)
The digestion of keratin that results in scaly skin is caused by this
What is tinea/dermatophytes?
Names of tinea depend on the site affected- treat with antifungals!
This papulovesicular dermatitis is often described as Tapioca pudding
What is dyshidrotic Dermatitis?
not caused by sweating but hyperhidrosis can exacerbate it
This is also known as a stork bite or an angels kiss
What is a salmon patch?
simple nest of blood vessels - most likely caused by maternal hormones
Associated injuries we need to evaluate for before closing a laceration
What are nerve injury, tendon injury, vascular injury, bone injury, foreign body, joint penetration or penetration of abdo or thoracic cavity?
treatment of lacerations involve:
~This is the most common type of skin cancer and the lesions are usually small, shiny with a rolled border
What is basal cell carcinoma?
basal cells rarely metastasize account for approx 80% of all skin cancers
If we hear "honey-colored crust" we should always think of this skin infection
What is impetigo?
Occurs most commonly of the face - S.aureus (sometimes GAS)
This is the most common cause of TEN
What are drugs?
Sulfa drugs
Other antibiotics
Antiepileptics
Miscellaneous individual drugs- allopurinol
Rosacea presents with these 4 phases
What are pre-rosacea, vascular, inflammatory, and late phases?
We will see coarse tissue hyperplasia of the cheeks and nose (rhinophyma) (tissue inflammation, collagen deposition, and sebaceous gland hyperplasia) during the late phase of rosacea
A pressure ulcer is caused by unrelieved pressure in a combination with these
What are friction, shearing forces, and moisture?
Risk factors include:
A great way to teach your patients to monitor for signs of melanoma
What are your ABCDEs?
A: Asymmetry—asymmetric appearance
B: Borders—irregular borders (ie, not round or oval)
C: Color—color variation within the mole, unusual colors, or a color significantly different or darker than the patient's other moles
D: Diameter—> 6 mm
E: Evolution—a new mole in a patient > 30 years of age or a changing mole
When we get scabies we characteristically have these 3 signs/symptoms
What are superficial burrows, intense itching (especially at night), and secondary infection?
primary lesions - superficial linear burrows
secondary lesions - small urticarial crusted papules, eczematous plaques and excoriations
This condition is hyperproliferation of epidermal keratinocytes with inflammation
What is psoriasis?
silvery scales, some develop severe disease with painful arthritis (psoriatic arthritis)
These 2 signs are somewhat specific for pemphigus vulgaris
What are Nikolsky sign and Nikolsky sign?
treatment is aimed at decreasing the production of autoantibodies
What is a partial thickness burns greater than 10% TBSA
OR/
These are precancerous lesions that are pink/red and feel rough and scaly
What is actinic keratosis?
we treat with Lesion-targeted therapy or Field-directed therapy