Rosh 6 Flashcards
Diagnosis in a kid with fever, lymphadenopathy, conjunctivitis, followed by maculopapular rash spreading from face to trunk and extremities?
Rubella
Feared complication of peri-lunate dislocation?
Median nerve palsy
*remember PERI-lunate dislocation is actually dislocation of capitate
Pt with exposure to gas or liquid that smelled like rotten eggs….
What exposure and what treatment?
- hydrogen Sulfide
- Nitrites like sodium-Nitrite
Contraindications for methotrexate use in ectopic preg?
- fetal heart tones detected
- hemodynamic instability
- evidence of rupture
- gestational sac > 4-5 cm
Young patient with recurrent ear infections, painless otorrhea, PE shows yellow-white mass behind TM .
Diagnosis and management?
- congenital cholesteatoma
- CT, hearing eval, and surgical resection
Traumatic SAH, small with no midline shift and normal VS and exam. Management?
- Observation and repeat CT
- oral CCB like nimodipine
Burn Patients under age 5 should have what else added to fluid resuscitation aside from Bolus via parkland formula?
Maintenance fluid with 5% dextrose
Duke criteria for endocarditis?
Major:
- 2 separate positive blood cultures
- echo evidence of vegetation etc
Minor:
- fever
- predisposing factor like abnormal valve or IVFU
- vascular phenomenon (Jane way, emboli)
- immunologic phenomena (oslers, Roth spots)
- positive culture
Need:
-2 major, 1 major + 3 minor, or 5 minor
Do antibiotics prevent Post-strep glomerulonephritis?
No
Management of sickle cell patient presenting with stroke symptoms?
Exchange transfusion
*do not give fibrinolytics
What antidote can be used to counteract edrophonium if patients develop bronchospasm and bradycardia?
Atropine
Upper age limit for tPA administration?
80
What AIDS defining Infection can present with skin lesions that look like molluscum contagiosum?
Disseminated cryptococcus
Treatment of CNS toxo?
- pyrimethamine
- sulfadiazene
*also give Leucovorin (pyrimethamine can cause hematologic toxicity)
For tetanus, which vaccine is used before age 8?
Dtap
Myasthenic crisis intubating….what agent and dose?
- Succ = 1.5x usual dose
- Roc = 0.1 to 0.2 x usual dose
What bacteria causes severe illness, bacteremia, sometimes fatal multi-organ failure after a dog bite?
- Capnocytophaga Canimorsus
* Happens in Asplenic patients, hepatic failure patients, immunocompromised
What are Symptoms of Magnesium toxicity? What is the treatment?
- Loss of DTR, muscle weakness, hypotension, dysrhythmia, paralysis, res failure
- Calcium gluconate
What local anesthetics can be used subdermally in patients with allergic reactions to both amide and ester anesthetics?
Diphenhydramine or benzyl alcohol with epinephrine
What is potential cause of refractory anaphylaxis that doesn’t respond to Epi?
How do you treat it?
- Beta blockers
- Glucagon
Dextrose dosing for kids:
What formulations and how to estimate weight and dose requirement?
estimation of weight:
- (2 x age in years) + 8
Formula:
- > 8 y.o = D50, 1 mL/Kg
- 1-8 y.o = D25, 2 mL/Kg
- < 1 y.o = D10 , 5 mL/Kg
Match the pathophys with the disease:
- Botulism
- Tick paralysis
- Myasthenia
A. Toxin reversibly bound at the presynaptic membrane preventing acetylcholine release
B. Toxin irreversibly bound to presynaptic membrane preventing acetylcholine release
C. autoimmune destruction of acetylcholine receptors on the postsynaptic membrane
- B
- A
- C
What is the preferred method of delivery in a woman with placental abruption?
Oxytocin-induced vaginal delivery. Cesarean delivery is reserved for significant maternal and fetal instability.