Session 2 CM derm12 Word Scramble
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Question | Answer |
What are two methods that bugs cause cutaneous response | they inject toxin or enzyme that direct inures tissue or produce a venom that contain inflammatory mediators |
Who tneds to react more severely to toxins and superficial irritants and get secondary infection easier from scratching | children |
What age group react more severely to toxic venom but are less likely to develop hypersensitvity reactions | the elderly |
What is the problem with bug bites and the immunocompromised and or debilitated patients | they react more extensively and extremely to toxins and venoms |
Common lesion caused by bug bite or stings | a discrete erythematous papule or wheal with central punctum could turn into hemorrhagic vesicobullous response |
Where are you most likely to see flying insect bites | on exposed surfaces |
Where can you see crawling insect bites | localized under clothing or areas of skin in contact with the ground |
Classic sign of this insect is a burrow that tend to involve fingerwebs wrists axillary folds and genitalia | scabies |
Apart from the burrow what else will you see with scabies | erythematous, excoriated papuples or papulovesicles with severe itching especially at night |
Dx for scabies | skin shaving for mite, egg and feces |
how contagious are mites(scabies) | extremely contagious |
What is the Tx for scabies | elamite, eurax or oral invermectin |
How long can patient continue to have itching even after treatment and what does that mean | they can continue to have itching for 3 weeks after treatment don't retreat unless they have reinfected them selves |
What is the treatment for scabies that has been banned in california and is only approved by FDA for second line use | Kwell (lindane) |
What type of scabies presents a big problem in immunocompromised individuals where you get widespread scaling with itching. Generally infected with millions of mites as opposed to 11 on normal patient | norwegian scabies |
redbug or harvest mite bite show papulovesicle with central hemorrhagic punctum pruritic usually around the beltline, socks or on buttocks and thigh | chigger bites |
do chiggers burrow | no make sure patient doesn't scratch or dig trying to get them out |
What is tx for chiggers | treat the pruritis |
What is the bite pattern for ticks | erythematous papule or wheal with a central punctum |
Disease transmitted by ticks with 2 stages | lyme disease |
what is the 1st stage of lymes disease | s/s include a rash with an evolving annular erythema, fatigue, flu like symptoms, and pain |
What is the 2nd stage of lymes disease | numbness and pain in arms and legs, meningitis, unilateral facial paralysis |
What is the tx for lymes disease | Abs |
disease transmitted by ticks most cases in eastern US characterized by prodromal headache, malaise, anorexia, photophobia, chills, fever, arthralgia, and myalgia | Rocky Mountain Spotted fever |
What are the S/sx of rocky mountain fever that appear after prodromal symptoms | fever, rash and hx of tick bite rash starts on cooler portions of body as macular and blanches then rash becomes petechial or purpuric |
What is the Tx for rocky mountain spotted fever | Abs and supportive care |
What are the three types of pediculosis | head, body and pubic lice |
How do you dx pediculosis | you will see the lice, nits on hair shafts, Head lice will often have excoriated papuples on scalp |
What is the Tx for pediculosis | Nix, Rid or any pyrethrins treatment Rx- ovide usually only for recalcitrant infestations |
What is the second line treatment for pediculosis | kwell shampoo |
Typically cuase papules or wheals with central punctum secondary infection and excoriation are common can be vector or bubonic/pneumonic plague | FLEAS |
most notice blood on bedding or night clothing and grouped wheals with a central purpuric punctum on distal extremities face or upper chest | Bed Bugs |
What do you note if you crush a bed bug | a distinctive unpleasant order |
What is the Tx for bedbugs | antihistamines for itching |
How does a fire ant bite present | generally devopls into a urticarial papule with a hemorrhagic punctum this may develop into a vesicopustule that may become necrotic. Very painful with burning and itching |
what is the tx for fire ant bites | use potent steroid gel on individual lesions and stronger sytsemic medication if generalized s/s |
What is the positive to fire ant bites | rarely get urticaria, erythema multifrome or anaphylaxis |
What is the problem with bee stings how do they present | they can cause anaphylaxis and present with localized pain, edema and erythema |
what is the tx for bee stings | use ice or for more severe pain use oral prednisone |
Most common cause of pruritis ani dx by ova or worm specimen in stool very common in children | pinworms |
what is the tx for pinworms | one dose of vermox or use antepar |
A cutaneous disorder characterized by migratory linear or serpiginous lesions that cause bizarre patterns | Creeping eruption larva migrans |
What causes serpiginous pattern in creeping eruptions | caused by migration of larvae of helminths or flies usually hookworm |
What is the Tx for larva migrans | oral thiabendazole but only with extensive infestations |
venom is a potent neurotoxin composed of proteins, lipids, and carbohydrates affects sympathetic and parasympathetic nerves | black widow |
What are the s/sx of black widow bite | sharp pinprick sensation followed by localized cramping, edema, weakness, diaphoresis, generalized muscle cramping, fever, paralysis. May have erythema or erythema nodosum |
What is the untreated mortality rate in children with black widow bites | 50% |
Has dermatotoxic venom sphingomyelinase D | Brown Recluse |
What are the clincal outcome from a brown recluse bite | range from inconsequential cutaneous rxns to full skin thickness necrosis but rarely death |
what are the s/sx of brown recluse bite | swelling, erythema, purpura with stinging. Characteristic trizonal response with a central blue gray area due to thrombosis |
what is the major problem with mosquitoes | there action as a vector for disease not necessarily any problem their bite may cause |
Created by:
smaxsmith
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