Gen Med Flashcards
T2DM Diagnostic Criteria
- HbA1c
- Fasting blood glucose
HbA1c > 6.5 (48mmol)
Fasting glucose > 7
Where is B12 absorbed?
Ileum
Where is folate absorbed?
Duodenum & Jejunum
Reference ranges for Anaemia
FBC <130 in men, <120 in women AND children 12-14
MCV <80 = Microcytosis (iron deficiency more likely)
MCV >100 = Macrocytic
Ferratin - correlates to total body iron stores. Low ferritin suggests low iron except in pregnant people (2nd&3rd trimester)
Serum ferritin <30 = iron deficiency
however it is an inflammatory marker so can be raised despite iron deficiency in acute or chronic inflammation.
Term that describes velocity dependent increased tone?
Spasticity
Term that describes increased tone not dependent on velocity?
Rigidity
what visual disturbance is likely to be reported in acromegaly?
Pituitary adenoma –> Impinges on optic chasm causing bitemporal hemianopia
Symptoms of Horners syndrome
ptosis - drooping eyelid
miosis - constricted pupil
anhrdrosis - can’t sweat
ON IPSILATERAL SIDE
Biochemistry suggestive of AKI?
Increase in serum creatinine >26.4
or increase >50%
or reduced urine output
within 48 hour period and after fluid resuscitation
Indications for acute dialysis
Acidosis Electrolytes (raised K+) Intoxication (Salicylic acid, Lithium, isopropanol, magnesium laxative, ethylene glycol)
Overload (fluid)
Uraemia complications
Muddy brown casts
acute tubular necrosis
H.Pylori eradication?
PPI + Amox + Clarithromycin
PPI + Met + clarithromycin if PA
What is smoking protective for?
UC
pseudopolyp & crypt abscess
UC
Cobblestoning & skip lesions
Crohns
Radio-lucent stones
urate + xanthine stones
Radio-dense stones
Cystine stones
Does raised urea favour upper GI or lower GI pathology?
Upper
Major inspiratory muscles
Diaphragm (C3,4,5) and external intercostals
Accessory muscles of inspiration
SCM, scalene’s,pectoral
Muscles of ACTIVE expiration
Abdominals and internal intercostals
Side effect of isoniazid
Drug induced lupus
Side effect of ethambutol
Optic neuritis
Side effects of rifampicin
Hepatitis
Orange secretions
Flu like symptoms
When is methyldopa contraindicated
Depression
What is hairy leukoplakia associated with?
EBV
Rotterdam criteria
Oligo/amenorhoea
Hyperandrogenism
Polycystic ovaries (TVUS)
2 required for diagnosis of PCOS
Drug management of peripheral arterial disease
Atorvastatin
Clopidogrel
What is treatment with pyrazinamide associated with?
Gout
ECG changes in PE
S wave in lead I, a large Q wave in lead III and an inverted T wave in lead III - ‘S1Q3T3’
RBBB
RAD
Sinus tachy
Commonest cause of ascending cholangitis?
E.coli
Differentiating between seizures/pseudoseizures
Prolactin raised after genuine seizure
What causes Scarlet fever?
GAS
Are statins contraindicated in pregnancy
yes
Side effects of nitrates
Hypotension
Headaches
Tachycardia
Drug that reduced INR?
Pheonobarbital
What should be prescribed with goserelin and why?
Anti androgen for first 2 weeks
prevents flare of symptoms
Peripheral Arterial Disease management
QUIT SMOKING
Exercise training - claudication
Atorvastatin 80mg
Clopidogrel 75mg
BP targets > 80 y/o
Clinic 150/90 mmHg
ABPM 145/85 mmHg
Cutaneous signs in dermatomyositis?
Gottrons papules, shawl sign, heliotrope rash
Lab findings for polymyositis/dermatomyositis
Raised CK
Anti Jo-1
Definitive investigation and treatment of poly/dermatomyosisis
Muscle biopsy = definitive investigation
Prednisolone 40mg plus MTX or AZT
Which drugs exacerbate psoriasis?
Propanolol
What is secreted from zone glomerulosa of adrenal?
Mineralocorticoids
What is secreted from zone fascicularis of adrenal?
Glucocorticoids
What is secreted from zone reticularis of adrenals?
Androgens
What is secreted from the adrenal medulla?
Adrenaline and noradrenaline
Function of mineralocorticoid?
Increase BP by retaining fluid
Example of mineralocorticoid?
And antimineralocorticoid?
Fludrocortisone
Sprironolactone and eplerenone
Inheritance of MODY
AD
Early diastolic murmur post endocarditis - worse when making a fist and collapsing pulse
Aortic regurgitation
On HRT but needing contraception - period control
Progestogen only methods
COCP increases risk of ….. and …. cancer but is protective against … and …. cancer
Increased risk of breast & cervical
Decreased risk of endometrial & ovarian
Inverted t waves =
Ischaemia
e.g. inverted t waves and no raised trop then angina
Management of heart block
- 500micrograms atropine up until 3mg
- Transcutaneous pacing
- Adrenaline
1st line treatment for prolactinoma?
cabergoline
What tumours is MEN2 associated with?
Medullary thyroid
Parathyroid
Phaeochromocytoma
What drug is contraindicated in VT?
Verapamil
What differentiates diffuse and limited systemic sclerosis?
Trunk only affected in diffuse
Antibodies:
Limited = anti centromere antibody
Difffuse = anti scl-70
Treatment for raynauds?
CCB/iloprost
Warfarin his teratogenic.
True or false?
True
LMWH instead
Risk factors for gout
Genetics, diet high in red meat, alcohol and seafood
Acid build up in gout
Uric acid
Pseudogout =
Calcium pyrophosphate
Knee jerk nerves
L2-4
Malignancy + raised CK?
Polymyositis
Hypertension in systemic sclerosis with renal complications?
ACEi
How long is antibiotic therapy in septic arthritis?
4-6 weeks
Hoffman’s test
suggests ms
cannot close his left eye or wrinkle the left side of his forehead
Left CN VII LMN
CN VII lower face =
Contralateral
Location & function of brocas area
Inferior frontal gyrus
Motor function of speech
Location and function of wernickes area
Superior temporal gyrus
Comprehension and planning of speech - cannot understand
Murphys sign
Pain on palpation of right subcostal area on expiration after deep inspiration due to inflamed gallbladder coming into contact with body wall
Diagnosis = acute cholecystitis
Anticoagulant of choice in AKI
Warfarin
Contraindication to triptans
CVD
RA, splenomegaly and low WCC
Feltys syndrome
Shortened, adducted and internally rotated leg.
What’s the diagnosis and which nerve is most at risk of damage?
Posterior hip dislocation
Sciatic nerve
Pneumothorax <2cm
Discharge and review - normally self limiting
Biceps reflex nerves
Triceps reflex nerves
Supinator reflex nerves
C5/6
C6/7
C5/6
4 most common causes of liver cirrhosis?
Alcohol
NAFLD
Hep B
Hep C
Antidote for opioid overdose?
Naloxone
100micrograms at a time up to 1200mcg
Antidote for benzos?
Activated charcoal if within 1 hour
Flumazenil (caution)
Antidote for MDMA/cocaine (uppers)
None - slow them down with benzos
Pupils in MDMA/cocaine OD?
Dilated
Pupils in opiate OD?
Pinpoint
Pupils in benzo OD?
Normal/dilated
Presentation in anticholinergic OD?
and examples of common causes?
Everything is dry - Dry skin
Antihistamines, TCAs
Presentation of cholinergic OD (organophosphates/nerve agent)
Salivation Lacrimation Urination Diarrhoea GI Emesis
Manage with atropine
Antidote for b-blocker OD?
Glucagon/insulin
Antidote for CCB OD?
Ca chloride or Ca gluconate
Antidote for iron OD?
Desferrioxamine
antidote for digoxin?
Digibind
Cholecystitis vx cholangitis
Inflammation of gallbladder vs inflammation of the bile ducts
tinkling bowel sounds
obstruction
Haustra vs valvular conniventes
Haustra - large bowel - lines do not cross width
Valvulae conniventes - small bowel - visible lines across entire width
3 main causes of bowel obstruction
Adhesions
Hernias
Malignancy
Classification of haemorrhoids?
1st degree: no prolapse
2nd degree: prolapse when straining and return on relaxing
3rd degree: prolapse when straining, doesn’t return on relaxing, but can be pushed back
4th degree: prolapsed permanently