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What is MELAS
- mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes)
- childhood-onset myopathy, seizures, recurrent vomiting, migrainous headaches, sensorineural hearing loss, stroke-like episodes associated with periods of regression
What is Menkes disease
- copper transport disorder
- infants appear developmentally normal until approximately 2 to 3 months of age followed by progressive developmental regression, low tone, feeding difficulties, failure to thrive, and seizures.
- “kinky,” and hypopigmented hair.
- low copper and ceruloplasmin levels.
When to give measles immunoglobulin?
-Infants younger than 6 months, pregnant women, individuals with immunocompromising conditions, or individuals who received a previous dose less than 28 days prior
- high risk pts for PCV13 and PPSV23 vac schedule
In children aged 6 through 18 years at high risk of pneumococcal disease who have not received any doses of PCV13 or PPSV23, administration of 1 dose of PCV13 followed by 1 dose of PPSV23 at least 8 weeks later and a second dose of PPSV23 5 years after the first is recommended
diagnosis of acute bacterial sinusitis
Persistence of symptoms beyond 10 days without improvement
Worsening of symptoms or new onset of symptoms after initial improvement
Severe symptoms at onset lasting for 3 consecutive days
meds for bite for allergic to penicillin
clindamycin. + 3rd gen cephalosporin
what group of metabolic disorders have: normal or high ammonia high anion gap metabolic acidosis neutropenia
1) Organic acidemia
ex.
propionic Acidemia (elevated propionic acid and methylcitrate on urine)
and Methylmalonic Acidemia(elevated methylmalonic acid)
TTP
Cause:
Labs:
Tx:
antibodies againstADAMTS13
increased LDH, bili and BUN, decreased plts, schiztocytes
tx plasmapheresis and steroids
apical systolic murmur with a mid systolic click
mitral regurg
cyanotic heart disease with left axis deviation
tricuspid atresia
acyanotic heart disease with left axis deviation
AV canal defect
hyper IgM is characterized by
repeated episodes of pneumonia and sinusitis. at particular risk for PCP pneumonia
Symptoms of Klebsiella granulomatis vs Treponema pallidum vs Haemophilus ducreyi vs Chlamydia trachomatis
Haemophilus ducreyi (chancroid)- painful shallow ulceration with painful inguinal lymphadenopathy
Treponema pallidum- painless ulcer no lymphadenopathy
Klebsiella granulomatis (lymphogranuloma inguinal)- painless ulcer without regional lymphadenopathy (usually hx of travel to india, south africa etc)
Chlamydia trachomatis- painless ulcer with painful lymph nodes 4-6 weeks later (
(hx of travel to tropical areas)
what group of metabolic disorders have: High ammonia and Normal anion gap and Respiratory alkalosis
Urea cycle disorder
get plasma amino acids to confirm
MC type is ornithine transcarbamylase deficiency. shows elevated urine orotic acid and low or absent citrulline
what group of metabolic disorders have:
normal ammonia
and
normal anion gap
aminoacidopathies or galactosemia
critical labs to draw while pt is hypoglycemic
glucose, insulin, c-peptide, ketones, growth hormone and cortisol
11B-hydroxylase deficiency vs 21-hydroxylase deficiency
11B-hydroxylase deficiency- hypertension and increased androgens (think of the two 1s as two up arrows)
21-hydroxylase deficiency has increased adrogens and salt wasting
HPV when can it begin and what age do you have to do the 3 dose series
- Can being at 9 years if abused
- At 1`5 or above needs 3 doses
When to test for reinfection after gonorrhea tx
in 3 months
teen STD screening
- screen annually for GC in females
- Screen males if hx of STI or areas of high prevalence
- HIV once for everyone, HIV yearly if high risk
schistosome parasite
swimmers itch
from snail larvae in fresh water
when does babinski reflex stop
can be up going until 1 year
Hib prophylaxis
single case of Hib as long as they immunized no prophylaxis
double hib, 20 mg/kg/day for 4 days
Anti DNase B vs antistreptolysin O
Anti DNase-impetigo
Anti streptolysin- strep throat
CGD
1-test
2-presentation
Neutrophil function test/DHR
Presents with recurrent bacterial and fungal infections and granulomas
(Defect in phagocyte NADPH oxidase)
Blount disease
Disruption of normal cartilage at medial aspect of proximal tibia. Progressively worse bowing as child walks
MEN2B
Presentation
Tall, thin, mucosal neuromas, hyper mobility, intermittent constipation and diarrhea
100% will develop medullary thyroid carcinoma
Also associated is pheichromocytona
Modified DUKE criteria
Major:
- POS bcx
- evidence of endocardial involvement
Minor
- Predisposing factor
- temp >48
- Vascular phenomenon
- Immunologic phenomena
- Microbiological evidence
Need 2 major+1 minor
Or 1 major + 3 minor
What to do with dyslipidemia in pts
- first confirm with another flp
- if LDL 130-249
- life styles changes, pharmacotherapy if >10 years, look for other causes
- if LDL >249
- refer to a lipid specialist
TST test positive
- who is positive if >5mm
- who is positive if >10 mm
- Close contact with TB, clinical evidence of TB and immunosuppressive conditions or tx
2. <4 yrs - born or travel to high risk areas - exposure to high risk adults - other medical conditions (DM, chronic renal failure, malnutrition)
***Prior BcG does not alter interpretation of results (but still better to get IGRA if >2 yearsº
When is peak growth velocity in males and females
stage 4 for males, stage 3 for females
what drugs decrease the efficacy of oral contraceptives?
Rifampin
Anticonvulsants (except levetiracetam)
Most retrovirals
What do OCP due to Thyroxine binding globulin
OCPs increase Thyroxine binding globulin therefore need to look at FREE t3 and T4 not total
electrolyte changes in refeeding syndrome
low phosphate, low potassium, low magnesium
criteria for hospitalization for anorexia
- weight <75% average body weight
- hypotension or orthostatic BP
- HR <45 or dysrhythmia
- Edema and/or heart failure
- electrolyte imbalances
Hydrocele description
1) when to repair?
soft, painless asymptomatic mass anterior to the testis
1) repair if not resolved by 1 year of age
Spermatocele description
non-painful cyst located at the head of the epididymis, distinct from the testis
Acute painful scrotum differential diagnosis
torsion of the testis torsion of the appendix testis epididymis orchitis Incarcerated hernia
description of neoplasms of the testicle
firm, painless, irregular mass WITHIN the testes or INDISTINGUISHABLE from the testes
Sunburst pattern in bone
Osteosarcoma
Ludwig’s angina
Polymicromibal (oral flora) cellulitis of the submandibular and sublingual spaces
Presents with fever, severe dysphasia, trismus and stuff neck
Usually a complication of the mandibular molar roots
Tx with ampicillin/Sulbactam
Vit K deficiency, factors affected and labs
2,7,9 and 10.
PT and PTT prolonged
lemierre disease presentation
Fevers, resp distress, trismus, dysphasia, decreased range of motion of the neck, peritonsillar swelling, and tenderness, swelling erythema overlying the jugular vein and angle of the jaw
Watch for septic emboli to the lungs
primary amenorrhea definition
- no secondary sexual characteristic by 13
- no period by 15
- or no period by 3 years after onset of breast development
Functional hypothalamic amenorrhea
like in girls who are excessively exercising
will have decreased GcRh secretion low or normal LH
Amenorrhea with no breast development, differential based on FSH:
High FSH
Normal FSH
Low FSH
High FSH- ovarian failure
Normal FSH- intact HPA axis (get US)
Low FSH- hypothalamic or pituitary causes
Androgen Insensitivity vs swyer syndrome
both: no period, no pubic har
Androgen Insensitivity- normal male testosterone levels
swyer syndrome- little to no testosterone
BV vs Trichomoniasis
both have pH >4.5
Trichomoniasis: strawberry cervix, flagellated pear shaped motile organisms, need to tx sexual partners
BV: clue cells, fishy odor, don’t need to tx sexual partners,
MDMA toxicity
- Waterloading is seen because of use during rave parties, sweating, hyperthermia, seizures, SIADH
X-linked agammaglobulinemia (Bruton agammaglobulinemia)
cause:
testing:
treatment:
Cause: mutation in bruton tyrosine kinase, which arrests B cells in pre-bcell stage
testing: Flow cytometry with no showed any CD19 because there are no mature B cells
tx: IVIG
CVID
cause:
testing:
treatment:
Cause: Mature Bcells are unable to differentiate into plasma cells
testing: flow cytometry-CD19 are present but have low antibody levels (but cannot call it CVID until 5 years of age because of transient immunoglobulinemia of infancy)
Tx: IVIG
Specific Antibody Deficiency
Cause:
Testing:
treatment:
Cause: make antibody but it doesn’t function well
testing: Flow cytometry CD19 present, normal antibody levels, poor vaccination response
tx: IVIG
X-linked Hyper-IgM syndrome
cause:
testing:
treatment:
cause: inability to class switch from IgM to IgG or IgA because don’t have CD40 and T cells cannot communicate properly with B cells and macrophages. They are susceptible to sinopulmonary infections and PCP
testing: Flow cytometry shows no CD40L, high IgM and low IgG and IgA
tx: IVIG and bactrim PCP prophylaxis and eventually BMT
X-linked Lymphoproliferative Syndrome
presentation:
overwhelming, near-fatal infection with EBV (fulminant hepatitis and BM failure) progresses to lymphoma
SCID
presentation:
testing:
treatment:
Presentation: presents in the 1st few months of life: FTT, chronic diarrhea, chronic lung infections, no thymus shadow. Presents with every type of infection because have defect in Bcell fn and Tcell fn
testing: Depends on the type of SCID, examples: molecular analysis or low adenosine deaminase in RBCs
tx: BMT
Bloom Syndrome
presentation:
small stature, telangiectasia, CNS abnormalities and immunodeficiency
Nijmegen Breakage Syndrome
cause:
presentation:
cause: can’t make nibrin which helps to repair damage to dsDNA
presentation: “bird-like” facies, microcephaly, near normal IQ, immunodeficiency
Job syndrome (hyper IgE syndrome)
presentation:
cause: neutrophils fail to adhere to the endothelium and enter the tissues
presentation: recurrent abscesses esp with staph aureus, eczema, scoliosis, delayed eruption or primary teeth, pneumatoceles
Chediak Higashi Syndrome
cause:
presentation:
testing:
cause: impaired lysosome degranulation
presentation: recurrent cutaneous and sinopulmonary infections, partial oculocutaneous albinism, ID, progressive neuropathy
testing: peripheral smear shows giant granules
Tumor lysis affect on calcium and why
Hypocalcemia, because lysis of cells releases phosphorus which then bonds to the serum calcium (the calcium phosphate can then damage the kidneys)
Type I allergic reactions
-immediate, IgE mediated
Type II allergic reactions
- cytotoxic, IgM or IgG mediated
ex: goodpasture syndrome, myasthenia gravis, autoimmune hemolytic anemia
Type III allergic reactions
- immune complex
ex: Vasculitis, serum sickness
Type IV allergic reactions
- Delayed, T-cell mediated
occurs 24-72 hours after
ex: poison IVY, TB test