Exam 2: Lectures Flashcards
-Type of allergic reaction
-Trigger/antigen exposure causes allergy cascade that results in tissue injury from inflammation and hyper-responsiveness
-Genetic, environmental, and immunologic factors are involved
Atopic disorders
-Chronic inflammatory changes in the connective tissues
-Exact patho is unknown, but believed to be autoimmune
-Clinical presentation is due to autoantibodies
Rheumatic autoimmune disorders
-Inflammation of nasal epithelium d/t release of chemical mediators from antigen-antibody reactions
Allergic rhinitis
Clinical findings:
-rhinorrhea
-nasal pruritus
-congestion
-sneezing
Allergic rhinitis
Allergic rhinitis management
Avoid triggers
Oral or intranasal antihistamines
Intranasal corticosteroids
Leukotriene inhibitors
Immunotherapy (allergy shots) for severe symptoms not responsive to other methods
-Acute and chronic skin eruption that disrupt the protective ability of the skin
-65% of patients will develop symptoms w/in the 1st year of life
-1/3 of patients will develop asthma in addition to this disorder
Atopic dermatitis
Clinical findings:
-Pruritus
-Eczematous changes in the skin
-Acute: itching, erythema, papule/vesicle/edema, generalized dryness, serous discharge and crusting
-Chronic: lichenification, excoriation, generalized dryness
Atopic dermatitis
Management of atopic dermatitis:
Cotton clothing
Hydrate skin (emollients, ointments)
Pharmacologic anti-itch medication
Topical low-potency corticosteroids (high-potency will dry skin further)
Autoimmune disease
Onset in children < 16 y/o with chronic inflammation for at least 1 synovial joint for 6 weeks
Girls > boys
Juvenile Rheumatoid Arthritis (JRA)
+Rheumatoid factor and ANA are present in what type of JRA?
Polyarticular
Oligoarticular
Polyarticular
Systemic
Enthesitis
4 types of JRA
Management of JRA
Refer to rheumatology and PT
NSAIDs, oral corticosteroids can help with inflammation
-Chronic systemic autoimmune disorder
-ANA production and multi-organ system involvement
Systemic lupus erythematosus (SLE)
Clinical findings:
-Organ involvement dependent
-Butterfly rash to face is common
-Photosensitivity
-Mouth ulcers
-Arthralgia
-low grade fever
-fatigue/malaise
-anorexia/loss of weight
-joint pain/stiffness
SLE
+ANA in 97% of children with this disorder
SLE
Management of SLE:
-Refer to pediatric rheumatology
-Will need pain management
Clinical findings:
-Myofascial pain
-Fatigue
-Trigger points on PE
-Vague and/or variable multi-organ involvement
Fibromyalgia syndrome
Diagnostic criteria:
-3 months or longer
-Hx of pain
-11-18 trigger points
-Exclusion of other disease processes
Fibromyalgia syndrome
Management of fibromyalgia syndrome:
PT
Therapy
NSAIDs
Severe persistent fatigue not relieved by sleep or rest with the presence of 4 of 8 symptoms of criteria for diagnosis
Chronic fatigue syndrome (CFS)
Management for CFS
Psychologic support
Exercise
Autoimmune inflammatory process triggered as a complication of Group A Strep
Diagnosed based on Jones criteria
Acute Rheumatic Fever
Management of acute rheumatic fever
Antibiotics to treat Group A Strep
Anti-inflammatory therapy for arthritis
CXR, echo, and EKG for heart monitoring
Refer to cardiology for changes in CXR, echo or EKG
Systematic vasculitis in kids
Dx with clinical findings
Etiology is unknown
Henoch-Scholein Purpura (HSP)
Clinical findings:
-Palpable cutaneous purpura concentrated on dependent areas of the body
-Arthritis
-Colicky abdominal pain
-Vomiting
-Hematuria
-gross or occult GIB
HSP
Management of HSP
-Admit if moderate GIB or renal involvement
-Follow up UA and BP for 3 months after symptom resolution
-Self-limiting for 3-4 weeks normally
MCV < 78 fL
Microcytic
MCV 78-98 fL
Normocytic
MCV > 98 fL
Macrocytic
MCV is the…
RBC size
MCH is the…
Hemoglobin weight of the RBC
If a reticulocyte count does not improve with treatment of the anemia, what is the concern for in regards to the RBC?
RBC production (concern for marrow or splenic issues)
Acute anemia is most common in which age group?
Newborns d/t blood loss at birth and shorter RBC lifespan
Common cause of anemia in infancy:
Nutritional anemia d/t rapid growth and dietary adjustments are occuring
Common cause of anemia in early childhood:
Infections
Common cause of anemia in adolescents:
Rapid growth leaving them vulnerable to nutritional anemia
Adolescent females at risk of anemia 2/2 heavy menstruation
How does growth affect RBCs?
Increased need for RBC mass
H/H 2 standard deviations below the reference range for a specified age group
Anemia
Where does erythropoiesis occur?
Spleen and liver
Declines significantly after birth
Where does hematopoiesis occur?
Bone marrow
Beta thalassemia is more prevalent in which populations?
Black and Mediterranean descent
Alpha thalassemia is more prevalent in which populations?
Black and Asian descent
Red cell enzyme defects (G6PD, sickle cell trait) are more prevalent in which populations?
Mediterranean, African, and southeast Asian
Besides OLDCARTS, pallor, fatigue, lethargy, dizziness, anorexia, jaundice, urine color, and FTT, what is an important aspect to assess when considering anemia in children?
Loss of milestones and growth
Focused assessment for anemia should include:
Skin, eyes, mouth, face, chest, hands, and abdomen
Differentials:
-Diamond-Blackfan anemia (congenital pure red cell aplasia)
-Transient erythroblastopenia of childhood
-Aplastic crisis (may be seen with Parvovirus B19)
Marrow failure
Generally develops gradually, chronic anemia
Differentials:
-Anemia of chronic disease in renal failure
-Chronic inflammatory diseases
-Hypothyroidism
-Severe protein malnutrition
Impaired erythropoietin production
Differentials:
-Nutritional anemia (2/2 iron, folate, or Vit B12 deficiency)
-Congenital dyserythropoietic anemia
-Sideroblastic anemia
-Pure red cell aplasia/maturational arrest
Defect in red cell maturation
Iron deficiency anemia and thalassemias are…
Microcytic (MCV < 78)
Folic acid and Vitamin B12 deficiencies are…
Macrocytic (MCV >98)
Genetic deficiency
Alpha or beta chain affected (alpha chain is not compatible with life)
Leads to premature RBC death
Thalassemias
Normal Hgb (11.5-14.5)
Low MCV (< 78)
Thalassemia
Normal Hgb
High MCV
Aplastic anemia
High Hgb (> 14.5)
Low MCV
IDA, HgH disease, sickle beta thalassemia
High Hgb
Normal MCV
Liver or chronic disease
High Hgb
High MCV (> 98)
Folate or Vitamin B12 deficiency
Do children normally have a severe reaction to COVID-19?
No, they’re generally asymptomatic or mild in symptoms with a 1-2 week duration of disease
Clinical findings:
-Persistent fever
-Hypotension
-GI symptoms
-Rash
-Myocarditis
-Labs showing increased inflammation
Multisystem inflammatory syndrome in children
If a patient presents with MIS-C what is the next step?
Transfer to hospital as this is a serious condition
Can paxlovid be given to children?
Yes if they are 12 years or older and have risk factors that put them at increased risk of severe disease development
Vaccine type:
MMR, OPV, varicella, flumist, rotavirus
Attenuated, weakened live virus
Vaccine type:
IPV, Hepatitis A
Killed, inactivated
Vaccine type:
DTap and TDap
Toxid, toxin produced by bacterium
Vaccine type:
HIB, Hep B, influenza, pertussis, pneumococcal, meningococcal, HPV
Subunit and conjugate
Diseases: hand-foot-mouth, herpangina, pleurodynia, acute hemorrhagic conjunctivitis, pericarditis, viral meningitis, pancreatitis, orchitis, neonatal sepsis
Transmission: fecal-oral and respiratory droplets
Increased prevalence in the summer and fall
Enteroviruses
Clinical findings:
Sudden onset high fever
Fever lasts 1-4 days
Loss of appetite
Sore throat
Vomiting
Diarrhea
Rash on tonsils, uvula, pharynx and soft palate
Herpangina
Clinical findings:
-Fever
-Vesicular eruption on buccal mucosa
-Maculopapular rash that moves to a vesicular rash of the hands and feet
Hand-foot-mouth
Primary infection in the liver
Highly contagious
Spread through person-to-person contact via fecal-oral, food, and water
Hep A virus
Clinical findings:
Preicteric: acute febrile illness
Jaundice phase: appears shortly after onset of symptoms
Hep A virus
What diagnostics are used for Hep A?
IgM and IgG for Hepatitis A
Management of Hep A:
Supportive care
Gamma globulin w/in 2 weeks of exposure (prior to symptoms and diagnosis)
Cause of sever liver disease
Highly contagious
Spread through mucous membranes exposed to blood or sexual secretions
Large decline in the US d/t vaccination rates
Hep B virus
You are testing your patient to rule out Hep B. They come back with a Anti-HBs positive. Do they have an active Hep B infection?
No, this shows proper immunity
When is the primary infection period for children with HSV-1?
Infancy to 4 years old
When obtaining a viral culture of a vesicle to rule out HSV-1 or HSV-2, what is the best section of the vesicle to sample?
The fluid if it is open and draining to determine the causative agent
What is the causative agent of mono?
EBV (Epstein Barr Virus)
Clinical findings:
-Fever
-Sore throat
-Lymphadenopathy
-Splenomegaly
-Hepatomegaly
-Skin rash
-Periorbital edema
-Abdominal complaints
-Fatigue
-Weakness
Mono
You have a patient come into your office with fever, sore throat, and lymphadenopathy. Strep test is negative, rapid monospot is positive. The patient is a 15 y/o F who plays basketball and wants to know when she can return to play. You tell her:
At least 4 weeks to prevent possible splenic rupture as mono can increase risk of splenomegaly
HHV-6 and HHV-7
Most show + HHV-6 titers
Roseola Infantum
Clinical findings:
-Sudden onset fever 101-103 for 3-6 days
-Lymphadenopathy
-Lethargy
-Vague GI complains
-URI symptoms
-Rash that starts after fever breaks
-Rash: diffuse, nonpruritic, maculopapular begins on trunk and spreads to extremeties, lasts 2-3 days
Roseola Infantum
What is the management for Roseola Infantum?
Supportive care
Common and highly contagious
85% decrease in infections since vaccine
Spread by droplets, contact, airborne
Varicella
Small pruritic, vesicular, red rash
Varicella
You have a young patient who comes in with a pruritic, vesicular, red rash all over. Their immunizations are up-to-date, but they are too young to have recieved their varicella vaccine. They attend day care where there has been a recent chicken pox outbreak. You diagnosis the child with chickenpox. The parent asks if they can give the child aspirin to help with the inflammation. What would you advise?
The parent should avoid aspirin as this can cause Reyes syndrome in children taking aspirin with varicella
You have an 11 y/o F who presents today with a pruritic, vesicular rash to her T6 dermatome on the L side of her back. She states she had been playing out in the woods and thought it was just poison ivy. When she itches the rash, it burns and hurts. Her IUTD, she has a PMH of chickenpox at 5 months old. She is presently going through puberty placing stress on her body. Although rare, you suspect she has shingles because:
Shingles is a reactivation of the latent varicella virus that she contracted at 5 months old, she is under stress that can trigger shingles activation, and the rash is vesicular on a dermatome, not crossing the midline.
Clinical findings:
Sudden onset high fever
Headache
Chills
Coryza
Vertigo
Sore throat
Body aches
Vomiting
Diarrhea
Anorexia
Cough
Flu
Can tamiflu be prescribed to children?
Yes for children 2 weeks of age or older with symptom onset in < 48 hours
On a newborn screening, the newborn screens positive for HIV. Who should be primarily managing their care?
Pediatric HIV specialist
You are meeting a newborn for their first post-hospital wellness visit. When obtaining a history you find that the baby is on Zidovudine daily for the next 6 weeks. You see their newborn screen is positive for HIV and mom shares she is HIV +. You understand the baby is on Zidovudine as:
A prophylactic measure as mom’s antibodies will continue to circulate out baby’s system over the next few months
What is the most contagious disease of childhood?
Measles
Cough, coryza, conjunctivitis
3 C’s of measles
Diagnostic testing for measles:
IgG, IgM antibodies
IgG decreases after acute phase of infection
Clinical findings:
-Maculopapular rash that coalesces
-Starts behind ears, travels to forehead
-Rash moves in a cephalocaudal pattern
Measles
If the child is exposed to measles and is eligible for vaccination, how long of a period do you have to get them vaccinated?
72 hours from exposure
Painful enlargement of the salivary (parotid) glands
Mumps
You just diagnosed a patient with mumps. The parent wants to know when the child can return to daycare as the parent will have to be out of work to care for the child. You advise:
The child can return to daycare/school after 9 days from the onset of parotid swelling
What are the diagnostic tests for mumps?
IgG, IgM antibodies
Elevated amalaise
Lymphocytosis
3 stages of Rubella
Prodrome, lymphadenopathy, rash
“slap cheek” rash is characteristic of…
Fifth’s disease/erythema infectiosum
How long will B19-specific IgM be present in the body after contracting parvovirus B19?
6-8 weeks
If you have a patient that comes in with an unknown tick bite and erythema migrans rash, do you need to preform any other diagnostics?
No, erythema migrans is diagnostic for Lyme
What is a key factor in tick-borne illness transmission?
Length of time the tick is attached/imbedded
Primary treatment for Lyme disease is:
Doxy
If you suspect Lyme disease, but there is in no EM rash present, what would you order?
- ELISA, if positive then,
- Western blot for Lyme
When treating for MRSA, what is a diagnostic needed prior to abx initiation?
Wound culture and sensitivity
What age is meningococcal most prevalent in children?
11-23 y/o
Does the meningitis vaccine protect against all strains of meningococcal disease?
No
You complete a PPD on a child that is 8 y/o. They come back for the reading of the PPD and they are found to have induration of 10mm. Is this a positive test?
No this is a negative test
What level of induration is present in a positive PPD for a child older then 4 y/o?
> 14mm
What is the level of induration present in a positive PPD for a child younger then 4 y/o?
> 10mm
What is fever of unknown origin (FUO) defined as?
Fever for most days for 3 or more weeks
No known cause after extensive workup
Fever without focus and fever of unknown origin require what kind of history and physical?
Comprehensive and detailed
Diagnostics to consider for fever without focus:
CBC, blood cultures, UA, stool culture (or stool sample with diarrhea present)
Diagnostics to consider for fever of unknown origin:
CBC with diff
ESR
Blood cultures
CSF studies
UA and culture
LFTs
EBV titer
CMV titer
ASO titer
CXR
UTI, pyelonephritis, URI, localized infection, JRA, and leukemia are the most common cause of what in children less then 6 y/o
Fever of unknown origin
What is the leading cause of heart disease in children?
Kawasaki’s disease
Clinical findings:
-Conjunctival hyperemia
-Erythematous rash
-Edema of the hands and feet
-Polymorphous erythematous rash
-Unilateral lymphadenopathy
Kawasaki’s disease
Characteristics:
Brachycephaly
Flat nasal bridge
Small ears
Cardiac anomalies
Trisomy 21
Characteristics:
Mental retardation
FTT
Prominent occiput
Small features
Trisomy 18
Survival rate for Trisomy 18:
5% survive the 1st year of life
Characteristics:
Mental retardation
Capillary hemangiomas
Cleft lip/palate
Deafness
Trisomy 13
Characteristics:
Broad chest
Webbed neck
Lymphedema of hands/feet
Lower hairline
Urinary tract anomalies
Turner’s syndrome (XO)