Things I need to Learn Flashcards
What are stages 1 and 2 of CKD?
Stage 1 = normal eGFR (>90ml/min) but tests detect signs of abnormal kidney function
Stage 2 = eGFR 60-89ml/min
What are stages 3a and 3b of CKD?
Stage 3a = eGFR 45-59ml/min
Stage 3b = eGFR 30-44ml/min
What are stages 4 and 5 of CKD?
Stage 4 = eGFR 15-29ml/min
Stage 5 = eGFR <15ml/min
What are the 3 stages of AKI (in terms of urine output)?
Stage 1 = <0.5ml/kg/hr for 6-12 hours
Stage 2 = <0.5ml/kg/hr for >=12 hours
Stage 3 = <0.3ml/kg/hr for >=24 hours or anuria for >=12 hours
What are the 3 stages for AKI (in terms of serum creatinine)?
Stage 1 = 1.5-1.9 times baseline or increase >=0.3mg/dl
Stage 2 = 2.0-2.9 times baseline
Stage 3 = 3.0 times baseline or increase >=4.0mg/dl
Define polyhydramnios?
AFI >24cm (or 2000ml+)
Define oligohydramnios?
AFI <5cm (under 200ml)
Name 6 long term complications of PCOS?
Subfertility, DM, Stroke/TIA, Coronary Artery Disease, Endometrial Cancer and Obstructive Sleep Apnoea
What is the first line investigation for Narcolepsy?
Multiple Sleep Latency
What is seen on blood tests in Biliary Atresia?
High levels of conjugated bilirubin and raised LFTs
Name the different extrapyramidal side effects of antipsychotics?
Parkinsonism, Acute Dystonia (e.g. torticollis or oculogyric crisis), Akathesia, Tardive Dyskinesia
How does a Cholesteatoma present?
Foul smelling ear discharge and facial nerve weakness
How does Alzheimer’s Dementia typically present?
Difficulty with learning new things. Then disorientation, changes in mood/behvaiour, suspicion of family/friends/carers
How does Vascular Dementia typically present?
Impaired planning and judgement, uncontrolled laughing/crying, issues with speech (forming or understanding).
Symptoms worsen in a stepwise fashion!
How does Lewy Body Dementia present?
Impaired attention, fluctuating cognition, parkinsonism, visual hallucinations and sleep disturbances
How does Frontotemporal Dementia present?
Clasically presents in younger patients (45-65). Personality and behaviour changes (including impulsive or inappropriate behaviour), language problems, difficulty planning and organising
How does Noonan syndrome present? How is it inherited?
Autosomal Dominant
Presents with a webbed neck, pectus excavatum, short stature and pulmonary stenosis
How does Fragile X syndrome present? How is it inherited?
X-linked
Presents with learning difficulties, long and narrow face, large ears, flexible fingers, large testicles, hypotonia, high arched palate and mitral valve prolapse
What are the risks of HRT?
Oestrogen only = endometrial cancer
Oestrogen and Progesterone = breast cancer and VTE
All HRT = stroke and ischaemic heart disease (if taken for 10 years)
What is seen on a nerve conduction study in Gullain-Barre Syndrome?
Decreased motor nerve conduction velocity
What is Multi System Atrophy?
Autonomic disturbance (erectile dysfunction, postural hypotension and atonic bladder) with either parkinsonism or cerebellar signs
How will a CNV palsy present?
Ipsilateral facial sensation loss and ipsilateral deviation of the jaw towards the weaker/paralyzed side on opening. Loss of the corneal reflex
How will a CNVII palsy present?
Ipsilateral fiacial drooping and loss of the corneal reflex.q
Which direction is diplopia in Trochlear and Abducens nerve palsy?
CNIV = verticle diplopia - issues walking down stairs CNVI = horizontal diplopia
What can be used as secondary prevention of stroke if Clopidogrel is contraindicated?
Aspirin and modified release dypyramidole
Name the 2 main drugs used to induce ovulation?
Clomifene or Letrozole
What PEP should be given to pregnant women exposed to chickenpox who are certain they have not had the illness before?
<20 weeks = VZV Immunoglobulin
>20 weeks = Aciclovir (from 7-10 days after exposure) or VZIG
If they are 20 weeks plus and develop symptoms give aciclovir within 24hrs of rash development
Under what circumstances is Lactational Amenorrhoea and affective method of contraception?
Pt must be amenorrhoeic, breast feeding exclusivley and the baby must be <6 months old,
How does Ovarian Hyperstimulation present and how is it treated?
Abdo pain, bloating and if severe respiratory distress/thrombotic events
Tx = Cabergoline
Tx for Croup?
Single dose dexamethasone (0.15mg/kg)
When should you consider admitting a bronchiolitits patient to hospital?
RR >= 60, Clinical dehydration or inadequate oral intake (50-75% of normal)
What is the definintion of stage 1 and stage 2 COPD?
Stage 1 = FEV1 >80% of predicted
Stage 2 = FEV1 50-79% of predicted
What is the definintion of stage 3 and stage 4 COPD?
Stage 3 = FEV1 30-49% of predicted
Stage 4 = FEV1 <30% of predicted
Which fluids should you give in a child with DKA who has nausea/vomiting or reduced consiousness (and over how long)?
0.9% NaCl 10ml/kg bolus and S/C insulin (0.1 units/kg/hr).
Give maintenance/corrective fluids over 48 hours to prevent cerebral oedema. Start insulin 1 hour after fluids have been started. Monitor K+ as levels may drop when you give insuling!
What will you see on blood tests in DKA?
hyperglycaemia, ketonaemia, acidosis, mildly raised creatinine, raised K+ and low HCO3-
Sx of Turner’s syndrome?
Congenital heart defects (coarctation of the aorta most commonly), short stature, primary amenorrhoea, hypothyroidism, webbed neck, widley spaced nipples and LDs
What are the complications of JIA?
Leg length discrepency, joint erosion, anterior uveitis (most common) and macrophage activation syndrome
What is Stephen-Johnson Syndrome?
Begins with flu-like Sxs followed by a red/purple target like rash which spreads and forms blisters. The affected skin eventually peels and dies. Rash will start on the trunk and extend abruptly to the face and limbs
Which medications can cause Stephen-Johnson Syndrome?
Allopurinol, anticonvulsants, antipsychotics, sulfsalazine, penicillin, simple pain relief
What is the primary treatment of JME and what is the most significant trigger?
Treat with sodium valporate (lamotrigine in women of child bearing age). Sleep deprevation (associated with alcohol consumption) is the most significant trigger
What are the complications of chicken pox?
Bacterial skin infections, DIC, encephalitis/cerebellitis, sepsis, dehydration, disseminated disease
How does the CSF appear in bacterial vs viral meningititis?
Bacterial = turbid, raised polymorphs, raised proteins and reduced glucose Viral = clear, raised lymphocytes, normal/raised protein, normal/low glucose
How does the CSF appear in TB?
Turbid/clear, raised lymphocytes, raised protein and low glucose
What are the 1st rank symptoms of schizophrenia?
3rd person auditory hallucinations, delusional perceptions, somatic passivity, thought alienation (insertion, withdrawal or broadcast)
What is the treatement for delirium tremens?
Oral lorazepam or failing that IV lorazepam (or haloperiodol)
What should you do if 12 weeks of SSRI and exposure response prevention CBT are ineffective in treating OCD?
Switch to a different SSRI or commence Clomipramine
What does your result on the PHQ-9 score indicate?
0-4 = no depression 5-9 = mild depression 10-14 = moderate depression 15-19 = moderatley severe depression 20-27 = severe depression Treat mild depression with 2 weeks watch and wait!
What are the withdrawal symptoms from SSRIs?
Restlessness, trouble sleeping, unsteadiness, anxiety, irritability and sweating
Name a cognitive function test commonly used in primary care?
6CIT (6 item Cognitive Impairment Test)
How often should you monitor bloods when starting a patient on Clozapine?
Weekly for the 1st 18 weeks, fortnightly until the end of the 1st year, monthly after this
What is akathasia?
A subjective feeling of motor restlessness manifested by a compelling need to me in constant motion/movement
What should you do in a ?miscarriage with a crown rump length of <7mm?
Rescan in 1 week, at this size you can not tell if the pregnancy is still viable
What should you do if you find CNI/CNII/CNIII/CGIN on colposcopy?
CNI = repeate cervical smear in 12 months CNII/CNIII/CGIN = remove cells e.g. with LLETZ then screen in 6 months to test for cure
What do late decelerations indicate?
Foetal distress
What are the features of a missed miscarriage?
Light vaginal bleeding and decreased pregnancy symptoms, closed cervic and a non-viable foetus seen in the uterus.
Pt is often unaware!
What are the features of an inevitable miscarriage?
Vaginal bleeding (lots clots and tissues may be passed) and uterine cramps, open cervix and a foetus (with possible heart beat) seen in uterus
What are the features of an incomplete miscarriage?
Vaginal bleeding (lots clots and tissues are passed), uterine cramps, open cervix and products of conception seen in the uterus
What are the features of a threatened miscarriage?
Variable vaginal bleeding (painless), closed cervix and a viable foetus seen in the uterus
What are the features of a septic miscarriage?
Fever, malaise and sepsis Sxs. Foul smelling vaginal discharge, cervical motion and uterine tenderness. Cervix is usually open and products of conception are usually retained
What is the most common type of vaginal cancer?
Secondary from the cervix or endometrium. Primary is rare but most commonly squamous cell.
How does vasa praevia present?
Painless vaginal bleeding occuring after rupture of membranes, foetal compromise and no hisotry of antenatal bleeding
How should you manage vasa praevia?
Corticosteroids from 32 weeks, C-section at 34-36 weeks and AVOID digital vaginal examinations
What are the stages the foetus goes through during birth?
Descent -> engagement -> flexion -> internal rotation of the head (will face the spine) -> crowning -> extension of the presenting part -> external rotation of the head (back to the spine) -> delivery
What are the causes of polyhydramnios?
Idiopathic (most common), macrosomia, maternal DM, structural abnormalities of the foetus, viral infections
True or False, personality changes may be seen in middle cerebral artery stroke
FALSE
They can be seen in anterior cerebral artery stroke!
What is polypharmacy?
A single patient taking >= 5 medications daily
How does Horner’s syndrome present?
What type of tumour commonly causes it?
Miosis, ptosis, unilateral anhydrosis, enopthalmos. Pancoast tumour (apical lung cancer)
What is the only medication liscenced to treat MND?
Riluzole
What is the 1st line Tx for trigeminal neuralgia?
Carbamazepine
What is the Rotterdam criteria for PCOS?
Polycystic ovaries (>= 12 follicles or ovarian volume >10cm3), oligoovulation or anovulation, clinical and/or biochemical signs of hyperandrogenism.
What are the hormones like in PCOS?
Raised testosterone and LH, low SHBG (due to insulin resistance) and progesterone, normal FSH
What can metformin do to help PCOS patients?
Reduce the appetitie, decrease androgen production, decrease LH secretion from the anterior pituitary, increase sex-hormone binding globulin (SHBG) in the liver
If you see dark urine, right sided abdo pain, low platelets and raised LFTs in pregnancy what should you do?
DELIVER!
This is HELLP syndrome. It occurs most commonly after delivery but if it occurs before delivery the baby must be delivered
What should you do in a mother with gestational diabetes who has a FPG >7mmol/l?
Begin insuin +/- metformin with diet and lifestyle advice
Which type of lung cancer is associated with cushing’s syndrome and which is associated with hypercalcaemia?
Cushings = small cell carcinoma Hypercalcaemia = squamous cell
What causes Conn’s syndrome most commonly, what will blood tests show and how is it treated?
Primary hyperaldosteronism (due to adrenal adenoma), raised aldosterone but low renin, there will be HTN, low potassium and alkalosis. Treat with spironolactone and surgical excision
How may pain help us to differentiate between a gastric and duodenal ulcer?
Pain immediatley after eating = gastric
Pain a short while after eating = duodenal
Which drugs can cause PD?
How can drug induced PD differ from idiopathic?
Prochlorperazine, Metoclopromide, Neuroleptic drugs and Antipsychotic drugs
Idiopathic is normally asymmetrical, drug induced is normally symmetrical
How should you manage steroid responsive COPD?
SABA or SAMA
SABA + LABA + ICS
SABA + LABA + ICS + LAMA
How should you manage steroid non-responsive COPD?
SABA or SAMA,
SABA + LABA + LAMA
How can you differentiate between steroid responsive and steroid non-responsive COPD?
Steroid responsive = asthmatic features, atopic illness and variation in FEV1
Steroid non-responsive = non of the above features
What are the high risk factors for pre-eclampsia?
- hypertensive disease in a previous pregnancy
- chronic kidney disease
- autoimmune disease, such as systemic lupus erythematosus or antiphospholipid syndrome
- type 1 or type 2 diabetes
- chronic hypertension
What are the moderate risk factors for pre-eclampsia?
- first pregnancy
- age 40 years or older
- pregnancy interval of more than 10 years
- body mass index (BMI) of 35 kg/m² or more at first visit
- family history of pre-eclampsia
- multiple pregnancy
What are the degrees of peroneal tear?
- first degree: superficial damage with no muscle involvement
- second degree: injury to the perineal muscle, but not involving the anal sphincter
- third degree: injury to perineum involving the anal sphincter complex
- fourth degree: injury to perineum involving the anal sphincter complex and rectal mucosa
How is placenta praevia graded?
- I - placenta reaches lower segment but not the internal os
- II - placenta reaches internal os but doesn’t cover it
- III - placenta covers the internal os before dilation but not when dilated
- IV (‘major’) - placenta completely covers the internal os
What must BHCG be for the different types of ectopic pregnancy management?
Expectant = <1500 and adnexal mass <35mm and no visible heartbeat Medical = <5000 (if able to return to follow up), if not able to return <1500 Surgical = >5000 or adnexal mass >35mm or visible heart beat
What is seen in blood tests in obstetric cholestatsis?
Raised bile salts and derranged LFTs (mainly ALT, AST and GGT)
When can you prescribe anti-epileptic drugs without input from a specialist?
- Seizure activity is confirmed on EEG
- There is neurological deficit
- There is structural brain abnormalities
- Pt, parent or carer considers the risk of another seizure unacceptable
What are the 5 causes of cyanotic heart disease?
Tetralogy of Fallot, Transposition of the great arteries, Tricuspid atresia, Total anaomalous pulmonary venous return, Truncus arteriosus
What is agonal breathing?
Irregular gasping which occurs in the first few mins of cardiac arrest - commence CPR!
What is the most common cause of gastroenteritis in children and why might diarrhoea still be seen after the gastroenteritis is treated?
Rotavirus
Lactose intolerance is sometimes seen after the infection is treated
What is atypicla hyperplasia of the endometrium and what causes it?
A pre-malignant condition occuring due to overstimulation of the endometrium by oestrogen. Can be caused by granulosa cell tumours
What is the first line Tx for respiratory distress caused by MgSO4?
Calcium gluconate
What is Cushing’s triad?
Seen in raised ICP it is:
Bradycardia (but HTN)
Wide pulse pressure
Irregular breathing
Sx of Acustic neuroma (aka vestibular schwannoma)?
Vertigo, tinnitus, unilateral sensorineural hearing loss and absent corneal reflex (if invasion of the trigeminal nerve)
What will be seen in Rinne’s and Webber’s test in conductive hearing loss?
Rinne's = Bone conduction > air conduction Webber's = Heard loudest in bad ear
What will be seen in Rinne’s and Webber’s test in sensorineural hearing loss?
Rinne's = Air conduction > bone conduction Webber's = Heard loudest in good ear
What should you do if you miss 2 pills in week 3 of a packet?
Finish week 3 and immediatley start the new pack (omit pill free week)
Which women with placenta praevia should be offered an elective C-section at 37-38 weeks?
Grade III and Grade IV
What is a key side effect of SNRIs e.g. Venlafaxine?
Raised blood pressure! Blood pressure should be monitored when starting or changing dose!
WHat is a key side effect of Citalopram or Escitalopram?
Prolonged QT and/or ventricular arrythmias
What is a key side effect of SSRIs in the elderly?
Hyponatraemia
Sx of Tuberous Sclerosis?
Epilepsy, developmental delay, roughened patches on the lumbar spine, ash leaf spots (hypopigmented macules) and cafe au lait spots
Why should you avoid typical antipsychotics and Risperidone in Lewy Body Dementia?
They ay cause rigidity, immoblity, postural falls, confusion and irreversible parkinsonism