Rosh Review Flashcards
If a patient with status migrainosus is about to get DHE, what is the most important test to check before?
Pregnancy test due to fetal risk
After the migraine cocktail of metclopramide, ketorolac/ibuprofen and NS bolus, besides DHE, other meds that can be tried include
Benadryl, steroid, magnesium
A full term healthy 18hr old infant in nursery is jittery, what blood glucose level should prompt IV glucose? What would be the threshold of less than 4hrs old?
Less than 40mg/dL. It would be 25mg/dL
What are the 4 ethical principles of biomedical research?
Beneficence - for patient’s good e.g. benefits outweigh risks
Justice - equitable allocation
Nonmaleficence - do no harm
Autonomy - respect the person and their right to self-determination
What are the 6 domains of health care quality by IOM?
Safety
Effectiveness
Patient-centeredness
Timeliness
Efficiency
Equitability
A NICU finds only 60% adherence to hand hygeine. What QI tool can be used to determine primary drivers that contribute to poor hand hygeine? As a follow up, what prior to the answer would have been the first step?
Driver diagram.
1st step is a clear, time-bound and realistic project aim.
Cushing syndrome is ACTH independent if the ACTH level returns XXX at XXX pg/mL
Less than 5-10 pg/mL
Cushing disease NOT syndrome refers to a XXX type of malignancy
Pituitary adenoma
A 14 yr old girl has completed N-AC after intentional Tylenol ingestion with normalized liver enzymes. She is suicidal. What’s the most appropriate transport to psych facility for her?
Ground transport with EMT NOT ground transport with paramedics.
How is an EMT different than a paramedic?
An EMT just can operate AEDs but a paramedic can staff IVs, interpret EKGs, defibrillate, start meds
A girl is getting a transfusion and sometime within the first 6 hours has fever, hypoxia and respiratory distress. What reaction is she having?
Transfusion-related acute lung injury
What drugs can be used to treat absence seizures?
Ethosuximide (blocks T-type calcium channels) or valproate but valproate has more side effects
direct hyperbilirubinemia in a child with Alagille syndrome is the result of what?
Paucity of interlobular bile ducts. It is an autosomal dominant disease. They have butterfly vertebrae
A girl who presents with fever, rash, lymphadenopathy and fatigue with elevated LFTs, pancytopenia and an elevated ferritin (greater than 500 range - normal: less than 150) is concerning for?
HLH. Signs/symptoms are acute or subacute fever, multi organ involvement (splenomegaly, hepatitis, neurologic findings), cytopenias, hypertriglyceridemia, low fibrinogen, high ferritin.
What is the bullseye rash of Lyme called? How do you test for the disease. how long does a deer tick have to be attached for the greatest risk of disease? How long does a tick have to be attached for prophylaxis to be indicated?
Erythema migrans. You do an ELISA or immunofluorescent antibody test with confirmatory western blot
Greater than 72 hours = greatest risk
Prophylaxis if tick on for more than 36 hours
How is pericarditis treated?
NSAIDs and colchicine
By what age should a cleft palate be surgically repaired to minimize speech issues?
12 months
When is an isolated cleft lip usually repaired?
3 months of age
What is the bacterial morphology of cat scratch or Bartonella henselae? What’s its incubation period? How do you test for it? What’s the stain for it called? Do you treat with antibiotics or does it self resolve?
Gram negative rod. Incubates for 7 days to 2 months. Presents with cervical adenopathy and papules on same side as cat scratch. Likely to have abcesses in 10-20% if affected nodes
You test antibody levels.
Alternately nodes can be stained with Warthin-Starry stain
You treat immunocompromised patients or severely ill immunocompetent patients with azithromycin or rifampin. The treatment includes alternate agents if it’s neuroretinitis
What is the diagnostic test for a PE?
Helical or spiral CT with IV contrast
What is the mechanism of direct oral anticoagulants?
Direct thrombin inhibition or Xa inhibitors
What kind of bacteria morphology is Neisseria gonorrhea
Oxidase positive, gram NEGATIVE coccus
A 2 day old with an infection of a scalp electrode that grows an oxidase-positive, gram negative coccus is concerning for what bacterial infection and should be treated with what?
Neisseria gonorrhea and should be treated with CTX x 7 days
What are two common gram negative, OXIDASE NEGATIVE bacilli bacteria?
E. Coli and Klebsiella oxytoca
A 4 year old boy with 5 hours periumbilical pain and purpuric rash on his bilateral lower extremities and arthralgias is concerning for what disease and is likely to have what in his urine?
HSP or IgA vasculitis (small vessel) and proteinuria (or hematuria)
What are risk factors for neonatal hypocalcemia? What regulates these levels?
Fetal growth restriction, prematurity (calcium transfer occurs late in the third trimester), hyponagnesemia.
PTH related peptide
A boy burns himself and has acute pain from these burns. What type of pain is this?
Somatic pain
Why is orbital cellulitis more common in children?
Tiny bony septa and sinus wall and more porous bones
When can a burn be classified as minor and this managed with cleaning the area with tap water/saline, confirming tetanus vaccination status, and dressing the area as well as giving prophylactic topical antibiotic? (as an outpatient)
When the patient is 10-50 years old and has a PARTIAL thickness burn involving less than 10% of total BSA
OR if patient is less than 10 or greater than 50 and has a PARTIAL thickness burn less than 5% of total BSA.
Or any age patient with an ISOLATED full thickness burn less than 2% of total BSA
What areas can a minor burn NOT involve?
Face, hands, perineum, feet and not cross major joints or be circumferential and must be isolated (not inhalation injuries or high voltage injuries)
For burns, how do you calculate how much fluid to give?
Parkland formula: 4ml x weight (kg) x % total BSA. Give first half over 8 hrs and remainder over 16hrs
Or
Modified Brooke Formula: For children: 3mL x weight (kg) x % BSA. Give first half over 8 hours, remainder over 16 hours
For Lyme disease associated facial nerve neuropathy and meningitis, what is the treatment? I
Still ORAL doxycycline. It usually occurs 3-12 weeks after tick bite (could also do IV CTX, cefotaxime or PCN G)
How long should a pediatric patient be pre-oxygenated by Bag mask ventilation prior to intubation?
3 minutes. They are at more risk for hypoxemia due to lower tidal volumes, lower functional residual capacity, higher O2 metabolism
A boy with BP 180/100, HA, blurry vision, nausea/vomiting with normal head imaging is concerning for ____? And should be treated with _____
Acute severe hypertension (or accelerated hypertension or hypertensive crisis) and should be treated with IV labetalol
A child with acute severe hypertension, depressed consciousness, ataxia, seizures, and imaging findings is concerning for ____
Hypertensive encephalopathy = PRES
What is clonidine’s mechanism of action?
Central alpha adrenergic agonist
What test can be used to diagnose central Diabetes inspidius when the diagnosis is in question?
Water deprivation test
All infants born to HIV- infected mothers, regardless of viral load, should begin antiretroviral prophylaxis within 12 hours of birth
TRUE
What viral load for a pregnant patient with HIV is associated with a high risk of infection?
> 1000 copies/mL
If an HIV positive woman has < 1000 copies/mL viral load and she is on ARVs, she is a candidate for a vaginal delivery.
Yes
A patient classified as American Society of anesthesiologists class III or more, indicates severe systemic disease (e.g. acute wheezing and is generally an ABSOLUTE contraindication to procedural sedation
True
What’s the best way to unclog a G-tube
Insert warm water and then aspirate.
What size RPAs on CT should lead to prompt evaluation by ENT for possible surgical drainage?
> 2.5cm
A rapidly progressive acute cellulitis that developed within 24 hours of a cat bite is likely due to ______(what bacterium). Treat it with ____
Pasteurella multocida. Augmentin.
If a patient has sepsis or a gangrenous wound after dog bite, the bacterium is
Capnocytophaga canimorsus
What dose of naloxone reverses respiratory depression?
0.1mg/kg (max 2mg) IV
A boy with altered mental status and psychosis from illicit use of cough syrup dextrometorphan is experiencing which mechanism by he drug?
NMDA receptor inhibition
What makes a BRUE low risk?
All of the following have to be true.
Age > 60 days, gestational age >= 32 week and >= 45 weeks postconceptional age, only 1 occurrence, BRUE duration less than 1 min, no CPR by professional, no concerning history or physical exam findings
Post conceptional age is calculated as gestational age + chronologic age. For example a 4 week old, ex-24 weeker has a PCA of 28 weeks
What causes post strep glomerulonephritis?
What lab markers are usually decreased?
What should you expect to see on a UA?
Immune complex deposition within glomeruli after strep pharyngitis or impetigo.
Complement C3 levels and CH 50 are usually decreased.
Hematuria on UA (+/- proteinuria)
For a child with eczema with known colonization by MRSA, what has been shown to be most effective in decreasing colonization?
Bathing
What increases neural tube defect risks in pregnancy besides decreased folic acid?
Maternal obesity
NOT gestational diabetes but poorly controlled pre-gestational diabetes
A 20 month old boy admitted with 12 hours of emesis, diarrhea and poor PO presents with hypoglycemia, needs a D10 bolus to improve the glucose level and then again develops it. Insulin and C-peptide levels are undetectable. Beta hydroxybutyrate is elevated. What does he have? How is it treated?
He has idiopathic ketotic hypoglycemia. It’s treated with frequent protein and carb intake. Usually onsets in toddler years 18 months to 5 years and resolves by 8-9 years of age. Instead of the usual 30-36 hrs kids can fast without hypoglycemia, they can only fast 12-18hrs before developing hypoglycemia so are susceptible in acute illness. They usually have low plasma alanine
Because there are ketones, it is not a fatty acid oxidation disorder. Ketones are an end product of fatty acid oxidation.
What percentage of the body has to be involved for SJS to be concerning for TEN?
What laboratory findings would you expect besides the prodomal symptoms?
In addition, about half of patients have these laboratory abnormalities?
30% or more
Anemia and lymphopenia
About half have mild elevations in LFTs
What immune cell type is most present in human breastmilk in the first 2 months?
Macrophages. There also B/T lymphocytes in lower quantities.
What is an absolute contraindication to doing an LP in a neonate with HR90, RR 15, sat 85% with a bulging fontanelle. It’s not the fontanelle
Vital signs. Cardiopulmonary instability
If a patient with CF has rectal prolapse (which restore from frequent, large stools) OR meconium ileum what enzyme replacement therapy is indicated immediately?
Pancreatic enzyme replacement
In NRP with a baby who is apneic with HR 40, PPV is given and chest rise is not noted. What’s the best next step?
First take ventilation corrective steps (reapply mask, place head neutral or slightly extended, suction). If no chest rise noted, then pursue alternate airway (intubate) and after chest compressions.
What is the acronym for drug induced lupus?
HIPPS (hydralazine, isoniazid, procainamide, phenytoin, sulfonamides)
What disease process is characterized by bilateral, frontal-predominant regular 3Hz spike and wave discharges?
Absence seizures
What do you expect to see on EEG for infantile spams?
Hypsarrhythmia - chaotic interictal tracing with an electrodecremental response during episodes.
What is the treatment for infantile spasms?
High dose ACTH therapy (corticotropin), steroids, vigabatrin
Biphasic, focal centrotemporal spikes and slow waves are usually seen in which conditions?
Benign Rolandic seizures which are the most common partial epilepsy in childhood. Symptoms include unilateral facial sensory-motor symptoms including hypersalivation and speech arrest
Biphasic, focal centrotemporal spikes and slow waves are usually seen in which conditions?
Benign Rolandic seizures which are the most common partial epilepsy in childhood. Symptoms include unilateral facial sensory-motor symptoms including hypersalivation and speech arrest
Generalized 4-6Hz polyspike and slow wave discharge on EEG are seen in….
Juvenile myoclonic epilepsy. Symptoms are myoclonic jerks on awakening and GTCs.
What triad is suggestive of Aicardi syndrome?
Infantile spasms, agenesis of corpus callosum, retinal malformations.
Administration of what may improve outcomes or reduce BPD in preterm infants < 28 weeks
Caffeine
What is the target O2 sat for a preterm infant who requires oxygen?
90-95%
Maple syrup urine disease is characterized by LOW serum levels of ___
Its inheritance pattern is _____
There should be HIGH serum levels of ____
Alanine
Autosomal recessive
High levels of leucine, isoleucine, valine.
How long should patients in the ED be observed for possible biphasic reaction after anaphylaxis?
4 hours because 90% of biphasic reactions occur in the first 4 hours after presentation. After this, they can be discharged home with epi-pen, anaphylaxis action plan, referral to allergy if agent not yet identified.
What is a contributing factor for bone loss in anorexia nervosa?
Low levels of oxytocin
What is the fasting glucose cut off for Type 2 DM and what is the HgbA1c cut off?
HgbA1c >= 6.5% and fasting glucose greater than or equal to 126mg/dL OR plasma glucose >= 200mg/dL 2 hours after a glucose load in an OGT
What insulin marker is normal in Type 2 DM?
Normal levels of C-peptide. Type 2 DM is caused by peripheral insulin resistance and insulin production is not as affected or is just insufficient given that resistance.
What are the stages of LEWIN’s change management model?
Unfreeze, change, refreeze
Acceptance is a stage in the _________
Kubler Ross grief cycle
What is the treatment for pelvic inflammatory disease
Inpatient: Cefoxitin and docycline
OR
Clindamycin and gentamicin
Outpatient:
Ceftiaxone + doxycycline + metronidazole
If the patient has a tubo ovarian abscess, what should be prescribed?
Metronidazole or clindamycin
What can be administered if the patient is WITHIN 4 hours of a Tylenol ingestion?
Activated charcoal
What can be administered if the patient is WITHIN 4 hours of a Tylenol ingestion?
Activated charcoal
What nomogram provides guidance on initiating N-acetylcysteine for Tylenol ingestion? Above what level should the 21 hr IV treatment or 72hr oral treatment be started
Rumack-Matthew nomogram
Above 150mcg/mL
A girl presents with mucocutaneous bleeding and has a NORMAL CBC, PT, PTT, and VWF. What is the best next step?
Assess the peripheral smear for platelet count and then morphology. Bleeding time is no longer performed. It is an old test.
What are the most common causes of viral pneumonia in children under age 5?
After RSV, it’s influenza A/B not rhinovirus.
A 4 day old baby with hepatomegaly, jaundice, and rhinorrhea was born at full term to a mom with no prenatal care. The umbilical cord was edematous with spiral stripes of
Red, light blue, and white. What does he have?
Congenital syphilis
For a patient with Hypertrophic cardiomyopathy who presents with near syncope in gym class, what would be an indication for an implantable cardioverter-defibrillator?
Unexplained syncope OR
A ventricular wall-end diastolic dimension of >= 3cm
What are medical management options in symptomatic hypertrophic cardiomyopathy?
Beta blockers and calcium channel blockers
What demographic correlates best with a patient’s tracheal length for tracheostomy tube?
It’s weight NOT age
A 5 month old baby presents with increased work of breathing and poor oral intake with no URI symptoms. She is laying frog legged. When she takes a breath in, her chest contracts and her belly protrudes. What does she have and how should it be managed?
She has SMA - spinal muscular atrophy and should be managed with continuous positive airway ventilation with frequent suctioning.
What is the major antigen described in Hashimoto’s thyroiditis?
Thyroglobulin (also thyroperoxidase and TSH)
What is the gold standard for screening for suicidal ideation in adolescents?
The 30 question suicidal ideation questionnaire.
Toxicity with what substance causes nausea, emesis, tinnitus, fever, an anion-gap metabolic acidosis and a respiratory alkalosis?
Aspirin
Which of the following brain changes is associated with increased severity and early onset schizophrenia?
Decreased prefrontal cortext volume
What body system is the most common source of Group A strep bacteremia?
Skin and soft tissue accounts for 90% of the source of Group A strep bacteremia
The extent to which an observation accurately measures what it is intended to measure is???
Validity. This is NOT sensitivity.
How long should a submersion/near drowning injury patient be watched if they are not symptomatic?
8 hours
If the drowning/submersion patient is symptomatic, even with just tachypnea, the what is the right Disposition?
Admit for observation of respiratory status. They are at risk for bronchospasm, pulmonary edema, and acute respiratory distress syndrome. On chest X ray, if they developed ARDS, you would see bilateral alveolar opacities/ground glass appearance
A duration of submersion more than___ minutes is associated with a poor prognosis?
5 minutes
A 3 yr old boy who presents with nystagmus, hypoglycemia, metabolic acidosis and seizure is concerning for what toxicity?
Why does glucagon not work for the hypoglycemia?
Ethanol ingestion
He has exhausted his glucose stores. He needs IV dextrose
A 3 yr old presents with mildly elevated lipase, mildly elevated transaminases and a CT with a duodenal hematoma. This is most consistent with what mechanism of injury?
Inflicted injury
What medication should be used to manage delirium?
Olanzapine
What percentage of children with asthma will continue to have symptoms in adulthood?
50%
What are the signs/symptoms of a black widow spider bite (lactrodectus)?
Begins 1-8 hours after bite: abdominal cramping, nausea, vomiting, chills, urinary retention, priapism, respiratory distress. Antivenom reserved for severe cases.
Supportive care: opiates and benzodiazepines.
What is a Type 1 error in a study?
When you say there is an effect when there isn’t. This is related to your alpha (probability of committing a Type 1 error e.g. 0.05 = p value)
What is a Type 2 error?
Saying there is no effect when there is an effect. Relates to the beta value (typically 0.20). Power = 1- beta
What test do you use when you have two CONTINUOUS variables being compared to each other?
Pearson correlation coefficient
If you have ONE continuous variable and one categorical variable (yes/no - only with two values) what test would you use?
T-test
What test should you use if you have one continuous variable and one categorical variable where the categorical variable can take on more than 2 values?
First use ANOVA, then pairwise t-tests
If you are comparing two categorical variables, the test to use is?
Chi square test
If you have a time variable and a categorical variable (e.g. survival analysis), what test do you use?
Kaplan Meier curves and log-rank tests
If you have a continuous dependent variable (e.g days on HFNC) and want to see how many different variables influence that, what statistical test is needed?
Multivariate linear regression
If you have a categorical outcome (e.g HFNC or not) that you are trying determine the effect of multiple variables on (GA, virus they had etc) then the test to perform is
Logistic regression
If you have survival time and want to see how survival time is influenced by any variables, the test to perform is
Cox proportional hazards regression
What are the tools used in the plan phase of a PDSA cycle?
1) Process diagram - flow chart - helps identify factors.
2) Pareto chart - looking at different factors influencing the process interested in and sort from most influential to least influential and then can draw a line of the cumulative effect size. Helps to decide factor to focus on
3) Fish bone diagram - tries to identify every SINGLE factor that influences outcome - human factors, environmental factors, process factprs etc
From all the above, can create a Key Driver diagram which usually has the specific aim (goal to achieve) of your project on the left and on the right are secondary drivers (things I will do and intervene in). Middle are primary drivers (people and processes determining the phenomenon I am trying to change).
Failure mode analysis - what factors can lead to failure
What does a root cause analysis do?
It looks at how a past failure occurred
There are 3 primary measures in a QI project. What are they?
Outcome measure - exactly what you are trying to change
Process measure - whether or not the components of my change project are happening. Steps to achieve primary aim.
Balancing measure - Unintended outcomes
How do you study your data in a PDSA cycle?
Run chart
What is six sigma? (QI)
Sigma - deviation/variation. You want to keep every process at least 6 standard deviations from failure which corresponds to a failure rate of a couple per million.
The core is data collection, data analysis and tight statistical control and analyses.
What is the LEAN methodology?
This is focused on eliminating waste and done through value stream mapping.
What does the customer want and how do we go through to produce the steps a customer wants and how do we identify waste in each step.
A child with short stature, cafe au lait macules, petechiae and aplastic anemia is concerning for ?
Fanconi anemia which is also associated with hypoplastic or absent thumbs and VACTERL association. It is due to chromosomal breakage and is diagnosed by chromosomal breakage test followed by gene sequencing.
What are the CONTRAINDICATIONS to non invasive ventilation like CPAP/BiPAP or HFNC?
High aspiration risk, upper GI bleed, altered mental status, CPR, upper airway compromise (e.g. burns or epiglottitis)
How is heart failure classified?
What medications are indicated in each stage.
Stages A to D with A being the least affected (aka at risk of heart failure).
Stage B - abnormal cardiac morphology or function but no symptoms - past or present. Give ACE-inhibitor e.g enalapril.
Stage C - structural or functional heart disease with last or current symptoms - Give ace- inhibitor + oral diuretic PRN for fluid overload + low dose digoxin if needed for more symptom relief. After a few weeks of stability, add beta blocker.
Stage D - end stage heart failure - pharmacologic support and mechanical support and/or heart transplantation
Kids who ingest less than 20mg/kg of iron will likely have what symptoms?
Mild GI upset or be asymptomatic