Past Paper Knowledge Flashcards
(389 cards)
How is eczema herpeticum characterised?
Rapidly worsening, painful eczema, clustered blisters and punched out lesions
What is the first line management of eczema herpeticum in GP?
Immediate referral to hospital
If injured when the elbow is flexed and pronated with pain on supination, what kind’ve MSK injury?
Subluxation of the radial head
Kid from Pakistan whose parents are first cousins has acute respiratory failure and pneumocystis pneumonia, what dx?
SCID
Parents are consanguinous, increasing the risk
Neonate with fever, sunken fontanelle and reduced right leg movement, most likely dx?
Sepsis
Reduced limb movement could indicate osteomyelitis/ osteoarthritis, or it could indicate neurological involvement due to meningitis (sepsis is the best answer)
Which enzyme is deficient in congenital adrenal hyperplasia?
21-hydroxylase
This is responsible for converting 17-hydroxyprogesterone to 11-deoxycortisol (cortisol pathway), therefore build up of 17-hydroxyprogesterone is screened for
Also used to convert progesterone to 11-deoxycorticosterone (aldosterone pathway)
This increases the precursors available for testosterone formation, leading to symptoms of androgen excess
What is the age range for reflex anoxic seizures?
6 months to 2 years
When should symptoms of otitis media resolve?
3-7 days, if no abx seek advice if sx don’t resolve within 3 days
When to admit for otitis media?
- Systemic sx
- Complications (meningitis, mastoiditis, facial nerve palsy)
- Children <3 months with temp >38 degrees
What is the first line antibiotic for otitis media?
- Amoxicillin (5-7 days)
- Clarithromycin/ erythromycin (allergy)
What is the main cause of erysipelas?
Group A strep
What is the presentation of erysipelas?
- Very well demarcated, inflammed red region
- Usually on the lower limbs, but can present as butterfly rash on the face (cheeks and bridge of nose)
Mx: phenoxymethylpenicillin
What are the managment options for otitis media with effusion?
NO ABX
- Auto-inflation (blow air out of the nose against a pressure device eg. balloon)
- Grommets + single dose of ciprofloxacin intraoperatively (+-adenoidectomy)
What is an atypical UTI?
- Seriously ill
- Poor urine flow
- Abdo/ bladder masses
- Raised creatinine
- Septicaemia
- Failure to respond to tx 48hrs
- Non e.coli
Investigations for atypical UTI in children?
- Urine dip MC&S
- Urinary tract ultrasound (if abnormal MCUG)
- DMSA (4-6 months after acute infection)
When should babies younger than 6 months with a typical UTI have an USS?
Within 6 weeks
What is the character of the rash in HSP?
Macular beginning as erythematous and becomes purpuric and raised
Backs of the legs, buttocks and arms (+ low grade fever)
What is the management of immune thrombocytopaenic purpura?
Mild sx (petichial rash + no significant bleeding):
- Observation (resolves within weeks to months)
Medical:
- Corticosteroids
- IVIG
- Platelet transfusions
What is the definitive diagnostic test for cystic fibrosis?
Sweat test
When should disabling grief resolve to be classified as a normal grief reaction?
Within 6 months
What is the second line drug treatment for OCD?
Clomipramine
What are the symptoms of hypomagnesemia?
- Neuromuscular irritability
- Seizures
- Cardiac arrhythmias
What are the symptoms of hypophosphatemia?
- Confusion
- Muscle weakness (including respiratory muscles leading to SOB)
- Cardiovascular symptoms
What is the link between Alzheimer’s and down’s syndrome?
DS patients are more likely to develop at an earlier age and significantly increased risk of developing overall