Maia Hard Questions Only Flashcards
Child with hearing loss. Air fluid level on otoscope. Type B tympanogram. Diagnosis?
Otitis media with effusion
‘Glue ear’
Type B tympanogram usually means effusion,
Type B result with normal ECV
= less conductive but normal ear canal volume
IF ECV was up - could be a perforation or grommet
6 year old NZ Euro child with a low grade fever, runny nose and sore throat with moderate erythema but no exudate. No nodes. Normal obs. What is the most likely cause?
a) Rhinovirus
b) RSV
c) GAS
d) EBV
e) Strep pyogenes
f) Staph aureus
Rhinovirus
NOT strep throat - that would be exudative
5 year old Maori/Niuean boy with painful leg and fever. There is tenderness of the medial upper aspect of tibia. Normal x-ray, tender and warm area of skin around his tibia. Raised neuts. Tx?
a) Metronidazole
b) Flucloxacillin
c) Flucloxacillin + gentamicin
d) Penicillin G
e) Penicillin G + gentamicin
f) Vancomycin
g) Amoxicillin
Flucloxacillin
Baby that was fine at birth, presents 3 days later with increasing jaundice, bilirubin 380 (normal <200), direct/conjugated bilirubin 12 (normal<6). What is your initial management?
Phototherapy
Note value of 450 is the threshold for exchange transfusion for anyone >48 hours after birth
Kid with partial seizures lasting 30-60s. Having multiple attacks per day gazing off into the distance associated with hand movements. Tiredness after the event, jerking and lip smacking with chewing motions. What is the best medication
a) Lamotrigine
b) Levetriracetam
c) Ethosuximide d) Valproate
Valproate (boys)
Levetiracetam (girls)
12 year old had GTCS on waking. Has twitches in arms and legs occasionally. Had febrile seizure when younger. EEG showed generalised spike and wave when sleep deprived and with photostimulation. Diagnosis?
a) Juvenile myoclonic epilepsy
b) SeLECTS
c) Childhood absence epilepsy
Myoclonic +/- GTCS/abscence, provoked by photo stimulation = juvenile myoclonic epilepsy
Girl has seizure in the morning, child aware and able to think. Dx?
a) Myoclonic seizure
b) Absence seizure
c) Focal impaired awareness seizure
Myoclonic
Abscence = not aware
Focal impaired = not aware
8 year old has occasional brief hemifacial seizures, swallowing and chewing movements lasting less than 5 minutes, mostly at night. Once evolved to GTCS. EEG showed high amplitude centrotemporal spikes in drowsiness and sleep. Dx?
a) Juvenile myoclonic epilepsy
b) Childhood epilepsy with centro-temporal spikes (SeLECTS)
c) Childhood absence epilepsy
Self-limiting, brief, hemifacial –> SeLECTS
5 year old has frequent brief (10s) staring spells, unresponsive to parents and teachers. EEG showed generalised spoke and wave when sleep deprived and with hyperventilation. Dx?
a) Juvenile myoclonic epilepsy
b) SeLECTS
c) Childhood absence epilepsy
Childhood absence epilepsy
Absence = loss of awareness, staring spells
Provoked by hyperventilation
Investigation of choice in childhood seizures?
a) EEG
b) CT head
c) Nothing
EEG for most…
Nothing may be needed if it is a simple febrile.
Simple febrile seizures are the most common type and are characterized by a single generalized seizure lasting less than 10 to 15 minutes.
Kid with meningitis and high ICP, raised WBC predominantly lymphocytes, normal glucose, low protein
Viral meningitis
Bacterial - mostly neutrophils, low glucose, high protein
Distressed child with barking cough and loud inspiratory stridor. What treatment?
a) Oral dexamethasone
b) Intubate
c) Antibiotics
Treat croup with DEXAMETHASONE
Infant with respiratory distress and fever likely due to bronchiolitis. What investigation do you do?
a) Blood culture
b) Blood gas
c) FBC
d) Nasopharyngeal aspirate (NPA)
e) ECHO
f) Nothing
In most children with bronchiolitis no investigations are required
4 year old NZ European girl with painful right leg (upper tibia area), febrile, not worse on walking/weight bearing. Knee joint ROM normal and no pain in joint on active or passive movement. Normal X-ray. Neutrophilia (WBC 18 95% neuts). Dx?
a) Osteomyelitis
b) Osgood-Schlatter
c) Acute leukaemia
d) Septic arthritis
e) Osteosarcoma
Osteomyelitis
Young boy with bilateral infrapatellar swelling. Management?
a) Advise rest
b) Steroid injections
c) IV antibiotics
d) Surgery
Osgood Schlatter –> rest, NSAIDs, knee-pads/straps
Kid with diabetic ketoacidosis (DKA). First line treatment?
a) 0.9% NaCl + KCl IVF
b) 0.9% NaCl IVF
c) Insulin
d) NaHCO3
Usually need potassium too - total body deficit which will rapidly appear when begin to treat with insulin
11 year old with short stature and delayed puberty onset. Bone age is 9 years. Diagnosis?
a) GH deficiency
b) Constitutional delay
c) Genetic short stature
d) TH deficiency
Constitutional delay
Child falls with hematoma over occiput. No neuro signs. Investigation?
a) CT scan
b) None needed
c) MRI
If absolutely no neuro signs, no palpable skull fracture or signs of AMS
AMS: Agitation, somnolence, repetitive questioning, or slow response to verbal communication
PECARN recommends observation over imaging, depending on provider comfort; 0.9% risk of clinically important Traumatic Brain Injury.
Newborn baby distressed and appeared to be cyanosed when lie on back. Better when lie on belly Has small jaw. Dx?
Pierre Robin
Baby w/ swelling on one side of scrotum, reducible, transilluminates
Likely a hernia
More common to have a non-communicating hernia (rather than a communicating one) which is not reducible
Baby with sunset eyes and frontal head swelling. Investigation?
US first then CT i think
Children suspected of having hydrocephalus require cranial imaging by CT, MRI, or ultrasonography (if the anterior fontanelle is open).
9-month-old baby girl presents with episodes of screaming, yellow non-bilious vomit, pallor and a mildly distended abdomen. Well between episodes. A single loose motion was passed when the episodes started. Dx?
a) Intussusception
b) Pyloric stenosis
c) Gastroenteritis
d) GERD
Intussussception
Tx = air/fluid enema
9 days old baby with bilious vomiting and weight loss, no fever. Abdomen distended. Passed meconium at 4 days and was jaundiced day 2. Born at 36 weeks. Best investigation?
a) Abdo USS
b) Abdo X-ray
c) Blood cultures
d) Urine
e) Serum bilirubin
f) Barium meal
Abdo xray
?intestinal atresia
5 year old girl, who for the past 3 weeks has been vomiting each morning before breakfast/school, rarely at other times. Occasional headaches, otherwise well. Diagnosis?
a) Migraine
b) Gastritis
c) Medulloblastoma
d) Sinusitis
Medulloblastoma
Baby vomiting, now bilious. Management?
a) Admit and observe 24 hours
b) Reassure
c) Antibiotics
Admit
6 month old baby boy with R inguinal mass causing no discomfort. Not evident on exam anymore. Both testes present in the scrotum. R spermatic cord thicker than the left. What should you do?
a) Surgery for inguinal hernia repair
b) Review once a week
c) Reassure that it doesn’t need treatment
d) Orchidoplexy
This is a hernia - non-urgent surgical repair
On starship: If reduces keep overnight and operate next day as acute.
5 year old with a bulge above umbilicus for last few weeks. Soft non-tender. Treatment?
a) Reassurance
b) Surgical repair
c) Aspirate
d) Antibiotics
ABOVE belly button = epigastric, only refer if discomfort/interference etc.
Umbilicius - usually reduce by 3 years, refer if after that
Dude had MI 6 months ago and was put on ACEi, furosemide and amiodarone. Presents with fatigue, mental slowing and weight gain of 10kg. Been bed-bound for 6 weeks. What initial investigation should be done?
a) BNP b) TFTs
Amiodarone –> can cause hypothyroidism
72 year old female lots of meds (including ACEi and levothyroxine) presents with confusion, lack of appetite and fatigue. Blood tests show Na 120 (low) low TSH. What’s the cause?
a) Perindopril
b) Indapamide/bendroflumethiazide c) Oxybutynin
d) Allopurinol
e) Thyroxine
f) Atorvastatin
b) Indapamide/bendroflumethiazide
Theophylline overdose 4 hours ago. Management?
a) No active management
b) Activated charcoal
c) Naloxone
d) Flumazenil
Use of Activated Charcoal and Cathartic (either sorbitol of polyethylene glycol)
This has been shown in several studies to reduce the half-life of theophylline substantially, even when absorption has been completed. The recommended dose is 1 g/kg every 4-6 hours (or 10
g/hour) until the theophylline level has plateaued or commenced falling or is below 55 µmol/L.
Mechanism of naltrexone in alcohol dependence treatment
a) Opioid receptor antagonist
b) Treat withdrawal symptoms
Opioid receptor antagonist
Man presents to ED after bike accident. Blood tests reveal mild anion gap metabolic acidosis. Cause?
a) Alcohol ketoacidosis
b) DKA
c) Salicylate poisoning
Alcohol ketoacidosis
Young adult who is known to be on treatment for epilepsy present with ataxia. Suspected phenytoin toxicity. Treatment?
a) IV benzodiazepine
b) Supportive management
<4 hrs = charcoal
>4 hours: supportive
Which drug worsens reflux?
a) ACEi
b) Thiazide
c) CCB
CCB