GP Flashcards
Initial investigations in coeliac disease?
TTG antibodies
Endomyseal antibodies
Gold standard for coeliac diagnosis?
Endoscopic intestinal biopsy - duodenum
Findings of biopsy in coeliac disease?
Villous atrophy
Crypt hyperplasia
Increased intraepithelial lymphocytes
Which gene associated with coeliac disease?
HLA-DQ2 and HLA-DQ8
Investigations for colitis?
Colonoscopy and biopsy (flexi sig)
Findings on colitis biopsy?
Ulceration
No inflammation beyond submucosa
Continuous
Crypt abscesses
Pseudopolyps
Findings on crohn’s biopsy?
Inflammation in all layers
Skip lesions
Increased goblet cells
Fluid analysis findings in gout?
Needle shaped, negatively birefringent crystals
First line treatment for mild-moderate acne?
Topical combination:
Adapalene/Tretinoin/Clindamycin
+ benzoyl peroxide
12 week course
First line treatment for moderate-severe acne?
12-week course
Topical treatment + PO abx (tetracycline)
Alternative to topical antibiotics for women with acne?
COCP
Acute bronchitis signs over pneumonia?
Wheeze and no other focal chest signs (creps, dullness etc)
Most common causes of bronchitis?
Viruses
Treatment for acute bronchitis?
Supportive
Abx if:
Very unwell
pre-exisiting co-morbidities
CRP >100
Doxycycline
What is acute stress disorder?
Acute stress reaction within the first 4 weeks after traumatic event
Management of acute stress disorder?
Trauma-focused CBT first line
Benzo’s for acute symptoms (with caution)
Type 1 hypersensitivity reaction?
IgE - acute reaction
Investigations for allergies?
Skin prick testing
Food challenge testing
RAST
Key management/treatments of allergies?
Antihistamines e.g. cetirizine
Steroids
IM adrenaline
Adrenaline doses for anaphylaxis?
Adult (>12yrs) - 500mcg 1/1,000
6-12yrs - 300mcg 1/1,000
6m-6yrs - 150mcg 1/1,000
<6m - 100-150 mcg 1/1,000
Common causes of anaphylaxis?
Foods e.g. nuts
Drugs
Venom
Features of anaphylaxis?
Airway:
Swelling of throat and tongue
Hoarse voice/stridor
Breathing:
Respiratory wheeze
Dyspnoea
Circulation:
Hypotension
Tachycardia
How regularly can adrenaline doses be repeated?
Every 5 minutes
When can patients be discharged following an anaphylactic reaction?
2 hours - good response to single dose adrenaline
6 hours - 2 doses needed/prev biphasic reaction
12 hours - severe rxn, >2 doses, possible ongoing reaction
Causes of microcytic anaemia?
Iron deficiency
Congenital sideroblastic
Thalassaemia
Causes of iron deficiency anaemia?
Excessive blood loss
Dietary intake
Poor absorption
Symptoms of iron deficiency anaemia?
Fatigue, SOB, Palpitations, pallor, koilonychia
Management of iron deficiency anaemia?
Treat underlying causes
PO ferrous sulfate
How long to take ferrous sulfate for?
3 months after iron deficiency corrected
Causes of macrocytic anaemia?
B12 deficiency, folate deficiency, secondary to MTX
How to treat b12 deficiency?
Hydroxocovalamin IM 3x weekly for 2 weeks then 3 monthly
What is pernicious anaemia?
Autoimmune disorder affecting gastric mucosa = b12 deficiency
Abs to intrinsic factor
Causes of normocytic anaemia?
Anaemia of chronic disease
CKD
Aplastic anaemia
Haemolytic anaemia
Acute blood loss
What are anal fissues?
Tears of the squamous lining of distal anal canal
Risk factors for anal fissure?
Constipation
IBD
STIs
Features of anal fissures?
Painful, bright red, rectal bleeding
Management of acute anal fissure?
Stool softener
Lubricants
Topical anaesthetics
Analgesia
Management of chronic anal fissures?
Topical GTN cream
What is atrophic vaginitis?
Atrophy of vagina usually due to low oestrogen in post-menopausal women
Treatment of atrophic vaginitis?
Vaginal lubricants/moisturisers
Topical oestrogen
What is blepharitis?
Inflammation of the eyelids
Management of blepharitis?
Warm compresses BD
‘Lid hygiene’
Artificial tears if needed
What is a stye?
Hordeolum - inflammation of glands of the eyelids
Management of a stye?
Warm compresses BD
‘Lid hygiene’
Incision with a sterile needle
Topical/PO abx if recurrent/severe
What is entropian and ectropian (eyelids)?
Entropian = inward turning of eyelid
Ectropian = outward turning of eyelid
BPPV symptoms?
Vertigo triggered by change in head position
Lasts 10-20 seconds
Diagnosis and treatment manoeuvres for BBPV?
Dx: Dix-Hallpike
Tx: Epley
What is bursitis?
Inflammation of the bursa over joints
Causes of bursitis?
Friction from repetitive movements
Trauma
Inflammatory conditions (RA/gout)
Infection
Management of bursitis?
Aspiration if infx suspected
RICE
Protect joint
Abx if infected
What is chronic fatigue syndrome?
At least 3 months of disabling fatigue affecting mental and physical function more than 50% of the time in the absence of other disease
Management of CFS?
Refer to specialist service
Energy management
Limit physical activity and exercise
CBT
Bacterial vs viral conjunctivitis?
Bacterial = purulent discharge, sitcky eyes
Viral = serous discharge, recent URTI, preauricular lymph nodes
Treatment for bacterial conjunctivitis?
Chloramphenicol drops/ointment
Pregnant women - fusidic acid
Crystal type (chemical) in gout vs pseudogout?
Gout = monosodium urate monohydrate
Pseudogout = calcium pyrophosphate dehydrate
Affected joints in gout vs pseudo gout?
Gout = small joints, lower extremities
Pseudogout = Large joints e.g. hips, knees, shoulders
Fluid analysis findings in pseudogout?
Weakly positive birefringent rhomboid crystal
Cause of fungal infections?
Ringworm (Tinea)
Where can ringworn infect?
Scalp
Foot
Groin
Body
Nail
Treatment of fungal infections?
Cream/shampoo/nail lacquer
Anti-fungals = clotrimazole, miconazole, ketoconazole, fluconazole, terbinafine (nails)
Treatment for warts?
Topical salicylic acid for 12w
or cryotherapy
When is bowel cancer screening offered?
60-74 year olds every 2 years
What is diverticular disease?
Out-pouching of the intestinal mucosa
What is fibromyalgia?
Widespread pain throughout the body with tender points at specific sites
Management of fibromyalgia?
Aerobic exercise
CBT
Meds - neuropathic pain
What is folliculitis?
Inflammation of the hair follicles
What are haemorrhoids?
Enlarged anal vascular cushions
Treatment of haemorrhoids?
Topical treatments
Astringents - shrink haemorrhoids
Anaesthetics
Hydrocortisone - short term use only
Symptoms of haemorrhoids?
Painless, fresh red bleeding
Itching/pruritis
Most common cause of meningitis in adults?
Neisseri meningitidis
Neisseri meningitidis on gram stain?
Gram negative spherical
Most common cause of travellers diarrhoea?
Enterotoxigenic e. coli
Stage 1 hypertension?
> = 140/90 (135/85)
Stage 2 hypertension?
> = 160/100 (150/95)
Flow chart for management of HTN in <55 years or T2DM?
1 - ACEi
2 - + CCB/thiazide
3 - All three
4 - + spiro/bb/alpha blocker
Flow chart for management of HTN in >55years of black Afro-Caribbean ethnicity?
1- CCB
2 - +ACEi/thiazide
3 - All three
4 - + spiro/bb/alpha blocker
When should antibiotics be given immediately in URTI?
Children <2 w/ bilateral otitis media
Children w otorrhoea
Patients with acute sore throat/pharyngitis/tonsillitis when 3+ centor
What are the Centor criteria?
Tonsillar exudate
Cervical lymphadenopathy/lymphadenitis
History of fever
Absence of cough
What are in the feverPAIN criteria?
Fever
Purulence
Attend rapidly (3 days or less)
Severely inflamed tonsils
No cough or coryza
Stages of CKD parameters?
1 - 90-120ml/min
2 - 60-90ml/min
3a - 45-59ml/min
3b - 30-44ml/min
4 - 15-29ml/min
5 - less than 15ml/min
Risk factors for AKI?
CKD
Diabetes
Heart failure
>65yrs
Liver disease
Use of nephrotoxic drugd
Examples of nephrotoxic drugs?
NSAIDs
Aminoglycosides
ACEi/ARBs
Diuretics
Diagnostic criteria for AKI?
Rise in creatinine 26µmol/L in 48hrs
>=50% rise in creatinine in 7d
Urine output <0.5ml/kg/hour for 6+ hours
>=25% fall in EGFR in 7 days (paeds)
Typical organisms causing CAP?
Streptococcus pneumoniae
Hib
Staph aureus
Atypical organisms causing CAP?
Mycoplasma pneumonia
Chlamydia pneumoniae
Coxiella burnetii
Causes of HAP?
Klebisella
E. Coli
Pseudomonas
Screening tool for risk of stroke in patients with AF?
CHA2DS2-VASc
Risk factors in CHA2DS2-VASc?
Congestive heart failure
Hypertension
Age (2)
Diabetes
Prior Stroke/TIA/VTE (2)
Vascular disease
Sex (F)
When to offer anticoagulation following CHA2DS2V-VASC?
Men = score of 1
Women = score of 2
First line rate control in AF?
BB or rate limiting CCB (diltazem)
Example of rhythm control in AF?
Amiodarone
Asthma management steps in adults?
SABA
SABA + ICS
SABA + ICS + LABA
Increases ICS or add LTRA
Most common organism causing infective exacerbations in COPD?
Hib
Common causes of CKD?
Diabetic nephropathy
Chronic pyelonephritis/glomerulonephritis
HTN
Adult polycystic kidney disease
Management for COPD?
SABA/SAMA (always included)
If asthmatic fx = LABA+ICS
No asthmatic fx = LABA+LAMA
LABA+LAMA+ICS
Laxative preference in adult constipation?
First-line = bulk-forming
Second-line = osmotic
Laxatives for opioid induced constipation?
Osmotic + stimulant laxative
When is T2DM diagnosed?
HbA1c >=48mmol/mol
If symptomatic:
Fasting >=7mmol/L
Ransom >=11.1mmol/L
Drug management order of T2DM?
- Metformin (CVD +SGLT2)
- Add DPP4, Sulfonylurea, SGLT2, Pioglitazone
- Add another or start insulin
- If triple therapy and BMI >35, switch one for GLP-1 agonist
DPP-4 inhibitor examples and mechanism?
Sitagliptin, Linagliptin, Alogliptin
Increase insulin and lower glucagon
Sulphonylurea examples and mechanism?
Gliclazide, Glimepiride
Augment insulin secretion
SGLT2 inhibitor examples and mechanism?
Canagliflozin, empagliflozin,
dapagliflozin
Increase urinary glucose excretion
Investigation if suspecting diabetes mellitus?
Fasting glucose tolerance test
Treatment for scabies?
Premethrin 5% whole household
Treatment for threadworm?
Mebendazole for whole household
Up to how many IM adrenaline doses in anaphylaxis?
2 doses
When to avoid NOACs in renal impairment?
If crcl <15mL/min
Blood findings in alcoholic liver disease?
AST and ALT both increased
AST:ALT 2:1
Most common causes of IECOPD?
Haemophilus influenzae
Streptococcus pneumoniae
Moraxella catarrhalis
Treatment for mild otitis externa?
Topical acetic acid
Treatment for moderate otitis externa?
Topical Abx and steroid
Neomycin + dexamethasone + acetic acid
Blood results findings in haemophilia?
Prolonged APTT
Bleeding time, thrombin time, prothrombin time normal
What is prolonged in haemophilia?
APTT
First degree heart block on ECG?
PR interval >0.2s
Secondary degree heart block on ECG?
T1 - progressive prolongation of the PR interval until a dropped beat occurs
T2 - PR interval is constant but the P wave is often not followed by a QRS complex
Complete heart block on ECG?
There is no association between the P waves and QRS complexes
Penicillins mechanism of action?
Inhibit cell wall synthesis
How do extra agents with penicillins work e.g. clavulanic acid, tazobactam?
Beta-lactamase inhibitors