Surgery Flashcards
Screening for AAA
Who and age and investigation of choice
US
Males aged 65yo
Screening AAA
Interpretation
<3cm normal, no further action
3-4.4cm small aneurysm, rescan every 12 months
4.5-5.4cm medium aneurysm, rescan every 3 months
>=5.5cm large, refer within 2 weeks to vascular
When to refer to be seen within 2 weeks by a vascular surgeon for AAA
Mx
If symptomatic
OR
>=5.5cm
OR
Rapidly enlarging (>1cm/year)
Mx EVAR
Normal size of infrarenal aorta in females and males
What size is considered aneurysmal?
Name two major RF for a AAA
1.5cm females
1.7cm males
3cm aneurysm
Smoking
HTN
Epigastric pain relieved by eating =
Epigastric pain worsened by eating =
Duodenal
Gastric ulcers
Describe Cullen’s and Grey Turner’s sign
Seen in which condtion?
Periumbilical discolouration = Cullen’s
Turner’s = flank pain
Acute pancreatitis
Location of inguinal hernia + femoral hernia
Above and medial to pubic tubercle
Below and lateral to pubic tubercle
Hernia’s that are rare and often seen in older patients =
Spigelian hernia
Hernia more common in females and typically presents with bowel obstruction =
Obturator hernia
Congenital inguinal hernias are more common in ? (2)
Most commonly on what side?
Mx
Boys
Premature babies
Right sided
Mx surgically repaired soon after diagnosis
Infantile umbilical hernia are more common in (2)
Mx
Premature babies
Afro-Caribbean
Resolves without intervention
Most common organism causing acute bacterial prostatitis
E coli
Causes of pancreatitis
Gallstones
Ethanol
Trauma
Steroids
Mumps
Autoimmune
Scorpion bite
High calcium, trigylyc, hypotheramia
ERCP
Drugs
Name five drugs that can cause pancreatitis
Mesalazine
AZT
Bendroflumethiazide
Sodium valproate
Furosemide
Difference between acute and chronic fissure
RF (3)
<6 weeks versus >6 weeks
IBD, constipation, STIs
Mx of acute anal fissures (4)
- Soften stool - diet and high fluid, bulk forming laxatives (e.g fybogel)
- Lubricants prior to defecation
- Topical anaesthetics
- Analgesia
Mx of chronic anal fissures (2)
- GTN topical
- If not effective after 8 weeks then refer to secondary care for surgery or botox
ABPI interpretation
>1.2
1-1.2
0.9-1
<0.9
<0.5
> 1.2 calcified, stiff arteries
1-1.2 normal
0.9-1 acceptable
<0.9 PAD
<0.5 severe disease, refer urgently
Mx of venous ulcers
ABPI must be >=?
Compression bandaging
0.8
Adverse effects of selective oestrogen receptor modulators (e.g tamoxifen) (5)
MOA
Vaginal bleeding
Amenorrhoea
Hot flushes
VTE
Endometrial ca
oestrogen receptor antagonist and partial agonist
Aromatase inhibitors
Example
MOA
Adverse effects (4)
Anastrozole
Reduced peripheral oestrogen synthesis
Adverse effects
Osteoporosis
Hot flushes
Arthralgia
Insomnia
Ascending cholangitis is most commonly caused by which organism?
Mx (2)
E coli
IV abx
ERCP after 24-48 hours
Charcot’s triad ascending cholangitis
Ix
Jaundice
RUQ
Fever
USS
Balanitis general mx (3)
Wash foreskin
Saline washes
Hydrocortisone 1%
Balanitis bacterial mx
Fluclox or clarithro
Balanitis secondary to lichen sclerosus mx (2)
Clobetasol (high dose)
Circumcision
Fibroadenoma
When to surgically excise
> 3cm
Mx breast cyst (2)
Aspirate
If blood stained or persistently refill then biopsy/ excise
Breast lesions:
Traumatic aetiology
Mass may increase in size initially
=
Mx
Fat necrosis
Imaging and biopsy
Nipple discharge, mass
= which breast lesion?
Duct papilloma
BPH
Ix (4)
Urine dip
PSA
U+E
Urinary frequency volume chart for at least 3/7
What is the IPSS?
Interpretation
International Prostate Symptoms Score?
20-35 = severe sx
8-19 = moderate sx
0-7 = mild sx
BPH Mx (3)
SE of each
- Alpha-1 antag e.g tamsulosin, alfuzosin
SE dry mouth, dizziness, postural hypotension - 5-alpha reductase inhibitors e.g finasteride
SE erectile dysfunction, reduced libido, ejaculation issues, gynaecomastia - Surgery - TURP
In BPH if symptoms persist after treatment with an alpha blocker alone and symptoms are largely storage and voiding symptoms what medicine can be started? (2)
Tolterodine or darifenacin
What infection can increase the risk of bladder ca?
What type of bladder ca?
Schistosomiasis
SCC
Most common type of bladder ca?
Transitional cell carcinoma
When to refer for bladder ca?
45yo >= with
- unexplained visible haematuria without UTI
OR
- visible haematuria persistent after treatment of UTI
OR
60>= with
- unexplained non visible haematuria AND
- dysuria OR raised WCC
RF for VTE
Surgery +GA - how long
Surgery pelvis or lower limb + GA how long?
BMI >
Age >
90 mins
60 mins
BMI >35
>60yo
Pre-surgical interventions
Women should stop taking the COCP/HRT for how long prior to surgery?
4 weeks
Post op prophylaxis VTE
Elective hip surgery (3)
LMWH for 10/7 folllowed by aspirin 75mg for 28 days
OR
LMWH for 28 days with stockings until discharge
OR
Rivarox
Post op VTE prophylaxis
Elective knee surgery (3)
Aspirin for 14/7
OR
LMWH for 14/7 with stockings until discharge
OR
Rivarox
Post fragility fractures VTE prophylaxis (2)
LMWH starting 6-12 hours post op for 1 month
OR
Fondaparinux starting 6 hours post surgery for 1 month
Vasectomy failure rate
What needs to be done prior to UPSI
1 per 2,000
Semen analysis x2 usually at 16 and 20 weeks post op
Success rate of vasectomy reversal if done within 10 years and after 10 years
55%
25%
RF for varicose veins (4)
Increasing age
Female
Pregnancy
Obesity
Conservative mx of varicose veins (4)
Leg elevation
Weight loss
Regular exercise
Graduated compression stockings
When to refer to secondary care for varicose veins? (4)
Pain/ discomfort/ swelling
Bleeding
Skin changes
Venous leg ulcer
Secondary care mx of varicose veins (3)
Endothermal ablation
Foam sclerotherapy
Surgery
Bag of worms
Subfertility
More common on the left side
= which condition? What is it?
Ix (1)
Mx
Varicocele - abnormal enlargement of testicular veins
USS with doppler
Conservative, occasionally surgery
Thrombosed haemorrhoids
Mx
Symptoms usually settle within?
If within 72 hours then referral for excision
Otherwise stool softeners, ice packs and analgesia
Symptoms usually settle within 10 days
Most common type of testicular cancer?
Germ cell tumours
Germ cell classifications
Seminomas
Non seminomas - e.g teratoma, choriocarcinoma, embryonal, yolk sac
Peak incidence for
Seminomas
Teratomas
Seminomas 35yo
Teratomas 25yo
RF for testicular cancer (5)
Infertility
Cryptorchidism
FH
Klinefelter’s
Mumps orchitis
Non germ cell examples:
Leydig cell tumours
Sarcomas
Features of testicular cancer (4)
Painless lump
Gynaecomastia
Hydrocele
Pain
Tumour markers
Seminoma
Non seminoma
Seminoma HCG elevated elevated in 20%
Non seminoma AFP/ BHCG elevated in 80%
LDH in germ cell tumours (seminomas and non seminomas)
Which type of testicular cancer is most likely to have a raised bHCG?
Non seminoma
Mastitis mx (2)
Continue breastfedding
Fluclox 10-14 days
Nocturia in men mx (3)
Moderating fluid intake
40mg furosemide in late afternoon
Desmopressin
Overactive bladder mx (3)
Moderate fluid intake
Bladder retraining
Oxybutynin/ tolterodine/ darifenacin/ mirabegron
Post op return to work following
Open repair
Lap repair of inguinal hernias
2-3 weeks
1-2 weeks
Hydroceles may develop secondary to (3)
Epididymo-orchitis
Testicular torsion
Testicular tumours
Usually anterior and below the testicle
You can get above the mass on examination
Transilluminates
=
Hydrocele
Infantile hydrocele mx
Adults hydrocele mx
Usually resolve spontaneously by 1-2yo otherwise surgery
Conservative mx
What type of cyst is caused by Echinococcus granulosus?
Most commonly found in which two organs?
Ix
First line
Best investigation
Hydatid cyst
Liver and lungs
First line US
CT
biliary colic, jaundice, and urticaria
Hydatid cysts with biliary rupture
Head injury
CT head immediately (5)
GCS <13 on initial assessment
GCS <15 2 hours post injury
Post traumatic seizure
Focal neurological deficit
>1 episode of vomiting
CT head within 8 hours for adults with any of the following (4)
If they have experienced LOC or amnesia
65=>
Bleeding disorder
>30minutes retrograde amnesia events immediately before the injury
Dangerous mechanism of injury
Lucid interval
Features of raised intracranial pressure
=
Often caused by what type of trauma? (2)
Extradural haematoma
Acceleration - deceleration
Blow to side of head
Most common in old age, alcoholism and anticoagulated patients with a head injury
Subdural
Grade I - IV haemorrhoids
I do not prolapse
II prolapse on defecation but reduce sponteneously
III manually reduced
IV cannot be reduced
Which three types of drugs can cause erectile dysfunction?
SSRIs
BB
Finasteride
Ix erectile dysfunction (2)
Qrisk including lipid and fasting glucose levels
Free testosterone between 9 and 11am
What should be done next following a low or borderline free testosterone in erectile dysfunction?
If abnormal then?
FSH, LH, prolactin
If abnormal then refer to endocrinology