Past Questions Flashcards
Male, recent onset flaking smelly skin rash, 98% body
Exfoliative dermatitis “the red man”
Derm emergency
Stop all unnecessary meds
3 cardinal signs of psoas abscess
Fever
Limp
Abdominal/flank pain
3 cardinal signs of ileofemoral vein thrombosis
Pain in buttocks/groin
Thigh swelling
Collateral superficial veins
4 Kanavel signs of flexor tenosynovitis
Fusiform swelling
Pain with passive extension
Flexed posture
Tenderness along flexor sheath
3 month old baby with recent onset non-itchy flexor and scalp rash
Infantile sebhorreic dermatitis
Severe twisting injury to ankle, normal foot and ankle X-rays
Important fracture to consider:
Maisonneuve
Snowboarders commonly fracture:
Lateral process talus - dorsiflexion and inversion
18 month old child with low-grade fever, colicky LIF pain, normal MSU - important condition to consider:
Intussusception, incarcerated hernia, volvulus, mesenteric adenitis, psoas, abscess
Olecranon bursitis - 4 signs to distinguish septic from effusion
Fever
Redness/cellulitis
Warmth
Pain
Trauma or skin lesion
Initial medication for preeclampsia
Antihypertensive - nifedipine, labetalol, hydralazine
Magnesium sulfate
Antibiotic for COPD exacerbation in patient with penicillin allergy
Doxycycline 100mg 5 days
Recently started risperidone with fever and muscle rigidity - which toxidrome?
Neuroleptic malignant syndrome
Which bone does the lunate remain in contact with in a perilunate dislocation?
Radius
Risk factors for otitis media
Daycare
Passive smoking
Overcrowded home
Seasons
Air pollutants
Age - 6-24months
Male
Anatomical abnormalities/Down syndrome
Breastfeeding < 6 months
Use of dummy after 6 months
Aortic aneurysm risk score
Male
Age >65
Smoking >100 in lifetime
Atherosclerosis
Cerebrovascular disease
Coronary artery disease
HTN
Hypercholesterolaemia
First degree relative with AAA
Other vascular aneurysm
Obesity
Slit lamp features in iritis
Cells
Flare
Hypopyon
Clouding of anterior chamber
Sudden onset flashes and floaters
Retinal detachment
Common skiing injury
UCL sprain/rupture
Treatment of acute adrenal insufficiency
Hydrocortisone 100mg IV
IV fluids
Complication of proximal pole scaphoid fracture
AVN
Non union
2 tests for peritonitis
Rebound tenderness
Percussion tenderness
Circulatory changes in neurogenic shock
Low HR <80
Low BP <90 syst
Fever and stridor in child
Croup
Tonsillitis
Epiglottitis
Bacterial tracheitis
Lymphoma
Child with fever, trismus, difficulty swallowing
Peritonsillar abscess
Dental infection - Ludwig’s angina
Ear pain, fever, odorous discharge, affecting facial nerve, conductive hearing loss
Infected cholesteatoma
4 complications of Barotrauma in lungs
Pneumothorax
Sinus and middle ear damage
Pneumomediastinum/subcut emphysema
Cerebral artery gas embolism
Symptoms of Type 2 decompression illness
Neurological - paresis, numbness and tingling, difficulty urinating, incontinence.
Respiratory - SOB, cough, chest pain
Older person with atrial fibrillation - suddenly onset of pale leg
Patient foremen ovale arterial embolism?
Fracture associated with posterior fat pad in children?
Elbow?
Supracondylar
Paediatric CAP, most likely organism
Strep pneumoniae
Dysuria without bacteruria or pyuria in 3rd trimester - correct Rx
Empiric treatment until cultures back
Cefalexin 500mg BD 7 days
Trimethoprim 300mg OD 7 days ( avoid in first trim)
Nitrofurantoin 50mg QID 7 days (avoid at 36+ weeks)
Chlamydia in pregnancy
Azithromycin 1g stat
Test of cure at 4 weeks
Rescreen in 3rd trimester
BIB family: Psychotic recently, not taking medications, episodes of anger and staring upwards when medication discussed
Deescalate
Lorazepam 2mg
OPD psych referral
Management of lab tests
MSU
coags
Potassium/phosphate
Stool culture
BSL
MSU - refrigerate
Coags, stools - send within 4 hours, no fridge
Potassium/phosphate - do not leave overnight or in fridge
BSL - asap
Referral criteria to regional burns centre
> 10% adult >5% child
Full thickness burn >5%
Burns to special areas - face hands perineum genitalia joints
Inhalation injury
Electrical burns
Chemical burns
Circumferential burns or chest/limbs
Very old or very young
Pre-existing medical conditions that complicate recovery
Abuse
Referral criteria for National Burns unit
> 30% TBSA
Full thickness burns to special areas - face hands perineum genitalia joints
Significant inhalation
Electrical burns with high voltage and underlying tissue damage
Significant chemical burns
Young child with radius fracture - what type of cast
Below elbow soft cast
Pre-eclampsia symptoms
Hypertension, hyperreflexia and clonus, organ dysfunction (liver, renal), uteroplacental dysfunction
HELLP
Haemolysis
Elevated liver enzymes
Low platelets
Damaged structure with dorsal dislocation PIPJ
Volar plate
Damaged structure with volar dislocation of PIPJ
Central slip
Canadian C spine rule
Age >65, paraesthesia of extremity, dangerous mechanism (fall >0.9m, 5 stairs, axial load, high speed MVA/roll over/ejection, bike collision, motorised rec vehicle)
No low risk factors - sitting or ambulatory, delayed neck pain, no midline tenderness. Simple rear end MVC
Cannot actively rotate 45 deg left and right
Clinical management of scaphoid tenderness - no fracture on X-ray
Scaphoid cast 10-14 days, re-X-ray
Lateral cervical spine X-ray - soft tissue limits
C1-4 <7mm (<30% vertebral body)
C5-7 <22mm (100% vertebral body)
Landmark - glottis
Acute angle closure glaucoma presentation
Severe retroocular pain
Reduced vision, halos around light
Asymmetrical non reactive pupil
Ciliary flush - red eye around iris
Hazy cornea
Nausea vomiting
Headache
Photophobia
2 common organisms for atypical community acquired pneumonia
Mycoplasma pneumoniae
Legionella
Chlamydia
4 broad classes of medication which cause urinary retention
Anticholinergics
Antihistamines
Antipsychotics
Anti-Parkinsonian
Muscle relaxants
Sympathomimetics
Beta adrenergics
Antihypertensives
Antidepressents
2 clinical signs of respiratory acidosis
Cyanosis
Altered mental state
Fracture seen on lateral X-ray dorsum of proximal carpal row
Triquetral
Pregnant lady, low grade headache postpartum, worse on day 3
Pre-eclampsia
4 venemous creatures in NZ
Box jellyfish
Black widow (Lactrodectus)
Cone shell
Sea urchins
Serotonin Syndrome - triad of symptoms
CNS - altered mental state, seizures
Autonomic dysfunction - BP, HR, fever, dysrhythmia, flushing, sweating, mydriasis
Neuromuscular dysfunction - clonus, rigidity, hyperreflexia
Charcot triad for ascending cholangitis
Fever
Jaundice
RUQ pain
Local anaesthetic dose for lignocaine
1% lignocaine - 3-5mg/kg
1% lignocaine + adrenaline - 6mg/kg
4 treatments for paraphimosis
Osmotic agent
Ice
Compression
Manual reduction
Parasuicide (attempted suicide) risk factors
Male
Age (15-24)
Mental health
Substance use
FHx/friend suicide
Prev attempt
Childhood trauma
Unskilled occupation
Lack of support
Single
Sexual minority
Chronic medical illness/pain
TBI
Treatment of campylobacter
None
Erythromycin 400mg or 10mg/kg QID 5 days
- High fever, bloody diarrhoea, prolonged >7 days, pregnant women, immunocompromised, food handlers, childcare worker, carer
Low back pain - period of bed rest?
<2 days
4 extra-articular features of Reiter’s syndrome
Uveitis/conjunctivitis
Urethritis/cystitis/cervicitis/balanitis
Haematuria/hydronephrosis
Enteritis
Aortitis/aortic insufficiency/heart block
What bone articulates between lunate and 3rd metacarpal?
Capitate
Treatment of erysipelas in penicillin allergy
B-haemolytic Strep
Erythromycin 400mg or 10mg/kg QID 10-14 days
Impetigo treatment
Clean, cut (nails), cover
Hydrogen peroxide/povidone iodine 2-3 times/day, 5 days
If extensive: Flucloxacillin 500mg or 12.5-25mg/kg QID 5 days
Burn - palm of hand excluding fingers. TBSA?
1%
Appropriate dressing to send burn to hospital
Plastic cling film - not circumferential
FDP injury - position of finger
More extended
Nasal fracture - important sign to look for
Septal haematoma
What deformity can arise in untreated septal haematoma
Saddle nose
Erythema marginatum appearance
Acute rheumatic fever
Trunk, upper arms, legs
Red macules/papules spreading circular –> clear centre, raised red border
Sacred part of body for Maori
Head (tapu)
Near drowning episode - 2 findings
Hypoxia
Unconscious
Arrest
GCS for child
- Crying and inconsolable
- Opens eyes to pain
- Withdraws to painful stimuli
3+ 2 + 4= 9
Minimise bleeding in facial fractures
Nasal packing
Oral packing
Management of acute MI
Aspirin 300mg po chewed
IV lines, defibrillator ready
Analgesia - morphine
O2 if sats <92%
GTN - unless inferior/RV infarct/low BP
Refer cardiology acutely
Management of PE
O2
IV lines
Refer to gen med
Anticoagulants
2 common causes of knee effusion in injury
ACL rupture
Meniscal tear
2 structures injured when knee flexed and twisted
ACL
Meniscus
Causes of posterior dislocation of shoulder
Seizure
Electrocution
2 risks for sudden death in asthma
Signs of life threatening asthma
Signs of severe asthma that persists after treatment
Social isolation
Psychological problem, disability
Prev near fatal attack
Exacerbation despite dose of steroid prior
Presentation at night
Pregnancy
Potential complications in otitis media
Mastoiditis
Intracranial extension
Facial nerve palsy
Minimum hepatotoxic dose of paracetamol
> 10g/day adult, >200mg/kg/day child
6g or 150mg/kg per day, >48hr
4g or 100mg/kg per day, >48hr with liver toxicity
Ankle drawer test checks for which ligament?
Anterior talofibular ligament
Management of traveller’s diarrhoea
Antiemetic
Oral fluid + electrolyte replacement therapy
Consider loperamide
Low threshold for abx - ciprofloxacin 500mg BD 3 days, or 750-1000mg stat
Azithromycin 1g stat or 500mg OD for 3 days if from South/SE Asia
Prolonged sx (10-14 days) Stool culture, shiga toxin assay, parasites, microscopy
Findings for retropharyngeal abscess
Upper airway obstruction
Holding neck in flexion
Pharyngeal swelling and erythema
Dysphagia, torticollis, neck swelling, trismus
Sexual assault - things that can affect specimen collection
Showering
Passing urine/bowels
Changing clothes
Smoking
Eating/drinking
4 clinical features of unstable angina
Angina more frequent, lower threshold, longer duration
Negative troponin
No ECG changes
4 clinical features of heart failure
PND
Orthopnoea
Pedal oedema
SOBOE
2 methods to splint flail chest
Direct pressure with hand
Position pt to lay on flail
Tape bag of fluid to flail
Low back pain - signs of infection
Fever
Erythema/warmth
Fatigue
Anorexia
Cauda equina - symptoms other than back pain
Saddle anaesthesia
Bowel/bladder incontinence
Loss of power/sensation
Sexual dysfunction
How to Weber test
Tuning fork activated, place in middle of forehead. Check if sound localises.
When do you see sail sign?
Elbow joint effusion
Fracture of distal humerus, prox ulna, radial head
What condition must be excluded in young male with testicular pain?
Torsion
2 findings to suggest undisplaced supracondylar fracture
Sail sign
Posterior fat pad
Unwilling to flex + extend
Intact pronosupination
Most common STI in NZ
Chlamydia
Constipation - red flags
Abdominal mass
Weight loss
Blood mixed in stool
Rectal mass
iron deficiency anaemia
Contraindication to IUD insertion
STI/PID
Pregnancy
Molar pregnancy
Recent sepsis
Unexplained vaginal bleeding
Endometrial ca
Distortion of uterine cavity
Contraindication to COCP
Migraine with aura
DVT/PE
Breast ca
Liver disease
>35 smoker
HTN
Post partum <21 days, breast feeding
IHD, valvular disease
SLE, antiphospholipid antibodies
Clinical findings of pneumothorax
Hypoxia
Unilateral reduced breath sounds
Increased resonance to percussion
Tracheal deviation
Tachycardia
Tachypnoea + WOB