Paeds Flashcards
what will you find in bacterial infected LP?
neutrophils, high opening pressure, high protein, low glucose
what will you find in viral infected LP?
lymphocytes, high opening pressure, normal glucose
name the most common bacterial commensal
N.meningitidis-even more common in smokers
what organisms are most likely to cause meningitis in different age groups?
Under 3m (neonates)-group b strep, listeria, e coli
3m-5y-h influenzae
5+-n meningitidis and strep pneumoniae
what would you give to the 14 year old sister of a young boy with meningitis?
ciprofloxacin
rifampicin is CI in pregnant and taking COCP
viral causes of meningitis?
HSV
enteroviruses
what are the symptoms of septic arthritis in a child?
acutely unwell
pseudoparesis
acutely tender erythematous joint
just limp or referred knee pain
management of child with suspected septic arthritis?
septic screen USS-effusion XR-any trauma aspiration and culture antibiotics initial short lived immobilisation
what presents in a similar way to septic arthritis?
transient synovitis it is more acute however and will resolve spontaneously. Pain is less severe, child is otherwise well
what is irritable hip?
acute transient synovitis
what do you see Nikolivsky’s sign with?
scalded skin syndrome, where the skin separates on touch
how might a child with hypoglycaemia present?
abdo pain irritability dizzy faint hunger seizure
what electrolyte disturbance may complicate hypoglycaemia and what are the signs of this?
hypokalaemia-shown by generalised muscle weakness
ST depression, t wave sagging
what are the dangers of infusing too quickly?
cerebral oedema-especially if salt and sugar are low
central pontine myelinolysis
what do steroids do to blood sugar levels?
increase them
how many compressions in a child?
5 breaths then 15 to 2, adrenaline every 3-5 mins
how is puberty triggered?
from 8yo-pulses of GnRH are started
what is the sequence of events in female puberty?
thelarche
adrenarce (hair growth, growth spurt, acne)
menarche
what is allopurinol used for in ALL?
tumour lysis syndrome prevention, high potassium, phosphate and lactic acidosis
acidotic symptoms
N&V stomach cramps hyperventilation chest pain/palpitations weakness
alkalosis symptoms
confusion seizures tetany abnormal sensations arrythmia
what are aplastic crises in sickle cell disease caused by?
parvovirus b19- treat with hydration and o2
give 2 enzymopathies which will lead to non spherocytic haemolytic anaemia
glucose 6 phosphate dehydrogenase deficiency
pyruvate kinase deficiency
what is a diagnostic feature of beta thalassaemia on HPLC?
high HbA2 (2 alpha, 2 delta)