Maculopapular And Fever Flashcards
Enteroviral rashes sx
Begin on face and neck
Descend to trunk and possibly extremities
Can be on palms and soles
Fever
Enteroviral rashes causes
Coxsackievirus and echovirus
Roseola Infantum aka exanthem subitum aka sixth Disease sx
Trunk, extending to proximal arms and neck
Prominent on butt
Spares the face
Fever
Roseola Infantum aka exanthem subitum aka sixth Disease causes
HHV6 and HHV7
Erythema infectiosum aka fifth disease sx
Slapped cheeks
Then spreads to extensor surfaces of arms and thighs and butt
Worse with sun or exercise
Fever
Erythema infectiosum causes
Erythrovirus B19
Rubeola aka measles sx
Upper lateral neck and hairline then spreads to upper body, lower body, and distal extremities 3 Cs Koplik spots on buccal mucosa Branny desquamation Fever
Rubeola aka measles causes
Measles virus
Rubella aka German measles sx
Frontal and retroauricular then spreads over body and limbs Not on palms and soles Forcheimer spots in roof of mouth Rash is due to virus-Ab complexes Fever
Congenital rubella: deafness, eye probs, cong. heart dz
Rubella aka German measles causes
Rubella virus
Scarlet fever sx
Erythematous skin esp. in flexor creases (Pastia’s lines are petechiae in creases)
Strawberry tongue
Sandpaper rash, blanching
Starts at neck then spreads to head and extremities
Abrupt onset of sore throat, fever, malaise, headache
Scarlet fever causes
Strep pyogenes
Erythrogenic toxins A, B, and C
TSS sx
Fever Low bp Major organ involvement (3) Erythematous macular rash, sometimes looks like sunburn Desquamation of palms and soles
TSS cause
Staph aureus (TSST1) Strep pyogenes (Exotoxin A)
Tinea versicolor or Pityriasis sx
Upper trunk (not usually below the waist) Neck, proximal upper extremities NO FEVER Branny scaling maculopapules Spots don’t tan Can be hypo or hyper pigmented
Tinea versicolor or Pityriasis cause
Malassezia furfur
Or Pitysporum
Acids damage melanocytes
Meningococcemia sx
Maculopapules, petechiae, purpura, or ecchymosis
Blanching patches
Can be hemorrhagic with central necrosis
Fever
Meningococcemia cause
Neisseria meningitidis
Secondary syphilis sx
Scaly maculopapules Papules in anogenital area Painless mucosal erosions Involves palms and soles Hair loss common Fever
Secondary syphilis cause
Treponema pallidum
Rocky Mountain Spotted Fever sx
Macules then maculopapules then petechiae
Distal extremities
Starts on wrists and ankles and spreads centripetally (in) to trunk, scalp, palms, and soles (ascending)
Fever
SEVERE headache
Rocky Mountain Spotted Fever cause
Rickettsia rickettsii
Tick vector
Endemic typhus aka murine typhus sx
Maculopapules Starts in axillae and extends trunk Sparse on extremities and face NOT on palms/soles Fever
Endemic typhus aka murine typhus cause
Rickettsia typhi
Vector louse
Epidemic typhus sx
Pink macules that become hemorrhagic during 2nd week
sides of trunk, spreads out (centrifugal)
NOT on palms/soles or face
Fever
Epidemic typhus cause
Rickettsia prowazekii
Vector flea
Ehrlichiosis and Anaplasmosis sx
Fever, HA, myalgia, malaise
Maculopapules on trunk and extremities
May be petechial
Abnormal liver enzymes
Ehrlichiosis and Anaplasmosis causes
Ehrlichia chaffeensis (monocytes) E. ewingii and Anaplasma sp. (granulocytes)
Dengue aka breakbone fever sx
Morbilliform rash that becomes petechial. Late purpura on extremities Can be hemorrhagic Rash starts in chest Inner arms, upper chest, shoulders, neck, and palate Fever Joint and muscle pain Caribbean, Mexico, SE Asia, Pacific
Dengue aka breakbone Fever cause
Dengue virus
Chikungunya Fever sx
Maculopapules on face, upper extremities, and trunk
Arthralgia and neurological problems
Africa, India, SE Asia, Caribbean
Chikungunya Fever cause
Chikungunya virus
