Things I need to Learn pt. 2 Flashcards
How can you manage NEC?
Stop oral feeds, give cefotaxime and vancomycin.
Do laparotomy if rapid distension and signs of perforation
Mx of intussusception?
Pneumatic reduction (air insufflation) under fluroscopoic guidance. Failing this surgery
True or false breastcancer is a contraindication to all oral hormonal contraceptives?
FALSE
It is a contraindication to ALL hormonal contraceptives (inlcuding patch, mirenal coil etc.
Mx acute confusional state?
Treat the underlying cause, then try environmental modifications then try oral haloperidol
What is the most likely cause of post coital bleeding in a 24 year old woman on the COCP?
Young woman, post-coital bleed and COCP = ?cervical ectropian
For how long can a urinary pregnancy test remain positive for following TOP?
4 weeks
Which drugs can be used in tocolysis?
MgSO4, indomethacin and nifedipine
Sx of cavernous sinsu syndrome?
Opthalmoplegia, proptosis, sensory loss in V1/V2 distribution, loss of the corneal reflex, horners syndrome (ptosis, miosis and anhydrosis)
Affects CN III/IV/V(1)/V(2)/CNVI
Sx of a parietal brain lesion?
Sensory inattention, astereognosis, apraxia, inferior homomymous quadrantopia
Sx of a occipital brain lesion?
Homonymous hemianoia (with maccula sparring), cortical blindness and visual agnosia
Sx of a temporal brain lesion?
Wernicke’s aphasia, superior homonymous quadrantopia, auditory agnosia and prospagnosia
Sx of a frontal brain lesion?
Broca’s aphasia, disinhibition, perservation, anosmia and inability to generate a list
Sx of a cerebellar brain lesion?
Midline = gait and truncal ataxia Hemisphere = intention tremor, past pointing, dysdiadokinesis and nystagmus
What diagnosis should you suspect in patient presenting with sensorineural hearing loss, vertigo and tinnitus who has cafe au lait spots?
Neurofibromatosis type II (due to the formation of bilateral acoustic neuromas/vestibular schwannomas)
In which condition are lisch nodules (irish haematomas) found?
NF1
Mx of Perthes disease?
If <6 years = observation
If >6 years = surgery
What characteristics are seen in innocent murmurs?
In children! Soft, systolic, short, symptomless and vary with position
In which conditions is cervial excitation seen?
Ectopic pregnancy or PID
AKA cervical motion tenderness
When should in-toeing resolve by?
8-10 years
Tx of Alzheimer’s?
1st line = acetylcholinesterase inhibitors = Donepezil, Galantamine or Rivastigmine 2nd line (or use 1st line in severe disease) = NMDA receptor antagonist - memantine
What can Rotigotine treat?
PD and restless leg syndrome
How pregnant does a woman have to be before pre-eclampsia or gestational HTN can be diagnosed?
20 weeks!
What is cyclothymia?
Chronic shifts in mood seen less severley than in bipolar disorder
What is the 1st line drug Tx for ADHD?
Methylphenidate
Define Bipolar 1 and Bipolar 2?
Bipolar 1 = mania and depression
Bipolar 2 = hypomania and depression
RFs for ectopic pregnancy?
PID, surgery to the tubes, previous ectopic, endometriosis, IUCD, POP and IVF
What is the most common cause of stridor in infants?
laryngomalacia
What is the risk of developing schizophrenia is your identicle twin (monozytoic) develops the condition? What is the risk if your parent has it? What is the risk if your sibling has it?
Monozygotic = 50% Parent = 10-15% Sibiling = 10%
A lady has a history of coagulopathy. How should you manage her miscarriage if she does not want surgery?
Medical = misoprostol vaginal perssary
Where does eczema typically affect in infants, younger children and older children?
Infants = trunk and face
Younger children = extensor surfaces
Older children = flexor surfaces and creases of the face/neck
What are the autonomic and neuroglycopaenic symptoms of neonatal hypoglycaemia?
Autonomic = jitteriness, irritability, tachypnoea, pallor Neuroglycopaenic = poor feeding, weak cry, drowsiness, hypotonia and seizures
What is delusional parasitosis?
The fixed false belief that the pt. is infested by bugs
What are the componenets of a confusion screen?
FBC (e.g. infection, anaemia, malignancy)
U&Es (e.g. hyponatraemia, hypernatraemia)
LFTs (e.g. liver failure with secondary encephalopathy)
Coagulation/INR (e.g. intracranial bleeding)
TFTs (e.g. hypothyroidism)
Calcium (e.g. hypercalcaemia)
B12 + folate/haematinics (e.g. B12/folate deficiency)
Glucose (e.g. hypoglycaemia/hyperglycaemia)
Blood cultures (e.g. sepsis)
Urinalysis (UTI)
Also consider CXR and CT Head
How can you tell between a complete and incomplete hydatic mole?
Complete = no foetal parts seen and has a snowstorm appearance Incomplete = some foetal parts seen, does not have a snowstorm appearance
Which hormonal HRT does not increase risk of VTE?
Transdermal patch!
Above which BMI should high dose folic acid be given?
> 30
What is the most common cause of GI malformation?
Oesophageal atresia and distal tracheooesophageal fistula
Which medications can be used to treat ADHD in children?
First line = methyphenidate (Ritalin)
2nd line = dexamfetamine/lisdexamfetamine/atomoxetine
Which mediations can be used to treat ADHD in adults?
1st line =Lisdexamfetamine or methyphenidate
2nd line = dexafetamine or atomoxetine
What is the first line treatment of viral induced wheeze?
Salbutamol inhaler with a spacer
What heart condition is associated with william’s syndrome?
Supravavular aortic stenosis
Which congential heart defects are associated with maternal rubella infection?
Pulmonary artery stenosis and patent ductus arteriosus
Which cardiac probles are associated with Marfan’s?
Mitral valve prolapse/regurgitation, aortic root dilation and cardiomyopathy
What is the inital management of a severe asthma attack?
High flow oxygen (if SpO2 <94%), corticosteroids, nebulised ipratropium and nebulised salbutamol.
If the attack is severe (SpO2 <92%) you can add nebulised magnesium
What are the classical features of the rash in meningococcal septicaemia?
Non-blanching, flat, purpuric rash which can start anywhere on the body and spreads rapidly. The lesions in the rash may vary in size.
The rash occurs as a result of meningococcus in the blood!
When should you offer oral antibiotics in impetigo? Which Abx would you give?
If there are any bullae or if the child is unwell/at risk of complications.
Abx = flucloxacillin or clarithromycin
How can you classify cryptorchidism?
Retractile = the testis is not present in the scrotum but can be minipulated into the scrotum before retracting again. Palpable = the testis can be palpated in the groin but is not retractile. Impalpable = no testis are felt (may lie in the inguinal canal, intraabdominally or may be absent)
By which age are most testes fully descended?
3 - 6 months
If not descended by 6 months reffer for treatment
Describe anaphalaxis?
A life-threatening type 1 hypersensitivity reaction where IgE antibodies on mast cells are stimulated. This causes release of preformed mediators e.g. histamine and tryptase. This can only happen after sensitisation (which is clinically silent)
Mx of anaphylaxis?
IM adrenaline 0.5ml (1 in 1000) - this stabalises mast cells.
IV corticosteroids and antihistamines can also be given
How does volvulous present?
Occurs most commonly in the first few days of life
Severe abdominal pain, billious vomiting and not passing stools
What is the most common cause of intestinal obstruction in infants after the newborn period?
Intussusception
Where is the msot common site of invagination in intussussception - how does it appear?
How should you manage it?
The ileum telescoping into the caecum. THis will cause distended small bowel which may be seen on x-ray.
Rectal air insufflation and IV fluids (to prevent shock as fluid pools in the abdomen)
What is the best management of infective gastroenteritis?
Oral rehydration fluids
Which medications can be used to treat bipolar?
Lithium, , sodium valporate, lamotrigine, carbamazepine, quetiapine, asenapine, aripiprazole or olanzipine
What is the name of the medication which causes negative symptoms on drinking alcohol?
Disulfiram (aka Antabuse)
Which pharmacological options can be offered to manage alcohol dependance?
Acamprostate or naltrexone
True or false oxybutynin can cause diarrhoea?
False it can cause constipation
Name the long term adverse effects of lithium?
Hypothyroidism, hyperparathyroidism, nephrotoxicity, renal tumours and rhabdomyolysis
What should you monitor in long term lithium treatment and how often should you monitor them?
Lithium levels every week until stable at treatment dose (0.6-0.8). Then every 3 months for the first year and every 6 months there after
Monitor U&Es, eGFR, TFTs and BMI every 6 months
You should not prescribe benzos for more than…
2-4 weeks as they are addictive and can cause drowsiness
What tests should you do to rule out organic causes of anxiety (rather than diagnosing GAD)?
FBC and iron studies (exclude anaemia), ECG and TFTs (to exclude causes of arrhythmia), 24-hour urinary metanephrines (exclude phaeochromocytoma)
What is the name of the hallucinations classically seen in Delirium Tremens?
Liliputian hallucinations (seeing lots of small people)
What drug class is Phenelzine? Which foods should you avoid with it?
MAOI
Avoid thymine rich producs e.g. cheese and cured meats as it can cause a hyeprtensive crisis
What heart condition is turner’s syndrome associated with?
Bicuspid aortic valve
Which nerve roots are damaged in Erb’s palsy?
C5-C6
What is Klumpke’s palsy? which nerve roots are affected?
C8-T1
Claw hand, the forearm is supinated and the wrist and fingers are hyperextended with flexion at the IPJ and MPJ joins
What can you give to help prevent preterm labour if the cervix is <25mm?
Vaginal progesterone (it prevents the cervix from remodelling)
Name the risk factors for placenta praevia?
Previous c-section, previous placenta praevia, older maternal age, maternal smoking, structural abnormalities (e.g. fibroids) and assisted repoduciton/IVF
What are normal LH and FSH levels at the mid cycle peak?
FSH = 4-25 LH = 10-75
What are normal LH and FSH levels at the follicular stage?
FSH = 3-10 LH = 2-8
Mx for mastitis?
Simple analgesia and warm compress
Encourage woman to continue breasfeeding or express breast milk by hand/pump (this will prevent nipple damage)
Abx are only given if there is an infected nipple fissure or if symptoms do not improve/worsen over 12-24hrs. Abx = Flucloxacillin
Name the possible presenting features of ovarian neoplasms?
Hirsutism, acute abdomen (due to torsion, rupture or haemorrhage), thyrotxicosis (struma ovarii) or amenorrhoea
What should you do in any new mother with possible Sx of psychosis?
Urgently admit for psychiatric evaluation
What are the X-ray findings in heart failure?
Alveolar oedema (bat wing opacities), kerly B lines, Cardiomegaly, Dilated upper lobe veins and pleural Effusions
In what condition is bilateral hilar lymphadenopathy seen on CXR?
Sarcoidosis
In what condition is bilateral calcified pleural plaques seen on CXR?
Asbestosis
How can you investiagate heart failure in the community? What do the results indicate?
Serum netriretic peptide measurements (pro-BNP)
>2000 = urgent echo (within 2 weeks)
400-2000 = echo within 6 weeks
<400 = normal, consider alternative diagnosis
What is the first step you should take if a patient presents with a hisotory of low mood and fatigue?
Ask them to fill out a PHQ-9 questionnaire
What should you do to assess a patient who you think may be having acute alcohol withdrawal?
Asses the AUDIT score. This will help you determine if the patient has been abusing alcohol and wether he wil be able to be managed in the community
Sx of normal pressure hydrocephalus?
Gait apraxia (levodopa unresponsive), cognitive/memory impairment, urinary frequency/urgency/incontinence and in severe disease faecal incontinence
What is the difference between myoclonic and clonic seizures?
Myoclonic = brief and short jerking in parts of the body Clonic = periods of shaking and jerking in parts of the body - will be regularly repeating (usually 2-3 per second)
What is the path of the CSF?
Lateral ventricles -> foramina of monro -> third ventricle -> cerebral aqueduce -> fourth ventrile -> foramina of luschka and magendie -> subarachnoid space
Sx of Primary Biliary Cholangitis? What may be seen on autoantibodies blood screen?
Fatigue, jaundice, puritus, associated Sjogren’s syndrome, sleep disturbances, postural dizziness and hepatomegaly
Anti-mitochondrial antibodies
Complications of nephrotic syndrome?
Hypovolaemia, thrombosis (DVT or PE), infection, pleural effusions
What is seen under the miscroscope in syphillis?
Spirochaete bacterium - Treponema Pallidum
What is seen under the miscroscope in Trichomoniasis?
Flagellated protozoan - Trichomonas Vaginalis
What is seen under microscope in thrush?
Pseudohyphae - candida
Sx of UC? How do yu treat?
Diarrhoea with blood/pus, abdo pain/cramping, weight loss, fever, pallor and distended abdomen
Tx = IV hydrocortisone in acute flare ups. Mesalazine for maintining remission of mild disease, prednisolone for moderate disease
What is the gold standard investigation for acromegaly?
Oral glucose tolerance test - growth hormone should normally be suppresed by glucose (>1ug/l = acromegaly)
What should you do if you have a febrile illnes in primary adrenal insufficiency?
Double the dose of hydrocortisone (keep fludrocortisone at standard dose)
What are the types of placenta accreta?
Accreta = chorionic villi are attached to the myometrium Increta = villi invade the myometrium Percreta = villi invade through the myometrium
When should you deliver in placenta accreta?
35-36+6 weeks via c-section
Tx for ruptured ectopic?
Emergency laparotomy with salpingectomy or salpingotomy
S/Es of depo provera?
Irregular bleeding, weight gain (only contraceptive proven to cause this), increased risk of osteoporosis and 1 year to return to fertility
When can the pertussis vaccine be given to pregnant women?
16 - 32 weeks
True or false, broad-spectrum antibiotics can affect the efficacy of the POP?
False.
Only rifampicin can affect its efficacy
How is haemophillia A inherited?
X-linked
What is the most common cause of menorrhagia?
Dysfunctional uterine bleeding (no pathology)
Can the rotavirus vaccine be given late? What form does it take?
Live attenuated virus, no becuase it can lead to intussusception
What should you do in a woman presenting with mastitis symptoms that have lasted more than 24 hours?
Oral flucloxacillin (erythromycin if penicillin allergic)
How can you acutley treat MS? How can you reduce the risk of relapse?
Acute = methylprednisolone Relapse = Beta-interferon
What is Meig’s syndrome?
Seen in fibromas (ovarian tumours), there is also ascites and pleural effusion